4XDOLÛFDWLRQV 2016 - SQA · Express your answer in component form. 2. Evaluate ... 4XDOLÛFDWLRQV...
Transcript of 4XDOLÛFDWLRQV 2016 - SQA · Express your answer in component form. 2. Evaluate ... 4XDOLÛFDWLRQV...
X747750101
X7477501
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 40
Attempt ALL questions
You may NOT use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477501
THURSDAY 12 MAY
100 PM ndash 200 PM
AHTP
MathematicsPaper 1
(Non-Calculator)
X747750102Page 02
MARKS DO NOT WRITE IN
THIS MARGIN
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation s x xn
= minusminus
Σ( )2
1
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750103Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 40
Attempt ALL questions
1 Given p = ⎛ ⎞⎜ ⎟minus⎝ ⎠
4
6 and q =
minus minus
5
1
Find the resultant vector +1
2p q
Express your answer in component form
2 Evaluate +
3 1 24 3 7
Give your answer in its simplest form
[Turn over
2
2
X747750104Page 04
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3 The diagram shows a sector of a circle centre C
20 cm
45ordmC
A
B
The radius of the circle is 20 centimetres and angle ACB is 45deg
Calculate the area of the sector
Take π = 3middot14 3
X747750105Page 05
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4 Charlie is making costumes for a school show
One day he made 2 cloaks and 3 dresses
The total amount of material he used was 96 square metres
(a) Write down an equation to illustrate this information
(b) The following day Charlie made 3 cloaks and 4 dresses
The total amount of material he used was 133 square metres
Write down an equation to illustrate this information
(c) Calculate the amount of material required to make one cloak and the amount of material required to make one dress
[Turn over
1
1
4
X747750106Page 06
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5 A cattle farmer records the weight of some of his calves
The scattergraph shows the relationship between the age A months and the weight W kilograms of the calves
Age(months)
Weight(kilograms)
A
W
D
E
A line of best fit is drawn
Point D represents a 3 month old calf which weighs 100 kilograms
Point E represents a 15 month old calf which weighs 340 kilograms
(a) Find the equation of the line of best fit in terms of A and W
Give the equation in its simplest form 3
X747750107Page 07
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5 (continued)
(b) Use your equation from part (a) to estimate the weight of a one year old calf
Show your working
6 Determine the nature of the roots of the function ( ) 7 5f x x x= + minus2 1
1
2
[Turn over
X747750108Page 08
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7 The diagram shows a rectangular based pyramid relative to the coordinate axes
O x
z
y
B
A(200)
V(526)
bull A is the point (200)
bull V is the point (526)
(a) Write down the coordinates of B
(b) Calculate the length of edge AV of the pyramid
1
3
X747750109Page 09
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8 Solve the equation
x xminus =2 52
3 6
Give your answer in its simplest form
9 The function ( )f x is defined by ( )f xx
= 2 x gt 0
Express ( )f 5 as a fraction with a rational denominator
3
2
[Turn over
X747750110Page 10
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10 Sketch the graph of ( )y x= minus +23 1
On your sketch show clearly the coordinates of the turning point and the point of intersection with the yndashaxis 3
X747750111Page 11
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11 Simplify
tan2 xdeg cos2 xdeg
Show your working
[Turn over
2
X747750112Page 12
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12 The diagrams below show a rectangle and a triangle
All measurements are in centimetres
2x + 13x
x + 8 ( )2 5x +
(a) Find an expression for the area of the rectangle
(b) Given that the area of the rectangle is equal to the area of the triangle show that x2 minus 2x minus 8 = 0
1
3
X747750113Page 13
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12 (continued)
(c) Hence find algebraically the length and breadth of the rectangle
[END OF QUESTION PAPER]
3
X747750114Page 14
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ADDITIONAL SPACE FOR ANSWERS
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ADDITIONAL SPACE FOR ANSWERS
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ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
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3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
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5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
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6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
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8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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ADDITIONAL SPACE FOR ANSWERS
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750218Page 18
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750219Page 19
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750220Page 20
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750102Page 02
MARKS DO NOT WRITE IN
THIS MARGIN
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation s x xn
= minusminus
Σ( )2
1
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750103Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 40
Attempt ALL questions
1 Given p = ⎛ ⎞⎜ ⎟minus⎝ ⎠
4
6 and q =
minus minus
5
1
Find the resultant vector +1
2p q
Express your answer in component form
2 Evaluate +
3 1 24 3 7
Give your answer in its simplest form
[Turn over
2
2
X747750104Page 04
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3 The diagram shows a sector of a circle centre C
20 cm
45ordmC
A
B
The radius of the circle is 20 centimetres and angle ACB is 45deg
Calculate the area of the sector
Take π = 3middot14 3
X747750105Page 05
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THIS MARGIN
4 Charlie is making costumes for a school show
One day he made 2 cloaks and 3 dresses
The total amount of material he used was 96 square metres
(a) Write down an equation to illustrate this information
(b) The following day Charlie made 3 cloaks and 4 dresses
The total amount of material he used was 133 square metres
Write down an equation to illustrate this information
(c) Calculate the amount of material required to make one cloak and the amount of material required to make one dress
[Turn over
1
1
4
X747750106Page 06
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5 A cattle farmer records the weight of some of his calves
The scattergraph shows the relationship between the age A months and the weight W kilograms of the calves
Age(months)
Weight(kilograms)
A
W
D
E
A line of best fit is drawn
Point D represents a 3 month old calf which weighs 100 kilograms
Point E represents a 15 month old calf which weighs 340 kilograms
(a) Find the equation of the line of best fit in terms of A and W
Give the equation in its simplest form 3
X747750107Page 07
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THIS MARGIN
5 (continued)
(b) Use your equation from part (a) to estimate the weight of a one year old calf
Show your working
6 Determine the nature of the roots of the function ( ) 7 5f x x x= + minus2 1
1
2
[Turn over
X747750108Page 08
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THIS MARGIN
7 The diagram shows a rectangular based pyramid relative to the coordinate axes
O x
z
y
B
A(200)
V(526)
bull A is the point (200)
bull V is the point (526)
(a) Write down the coordinates of B
(b) Calculate the length of edge AV of the pyramid
1
3
X747750109Page 09
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THIS MARGIN
8 Solve the equation
x xminus =2 52
3 6
Give your answer in its simplest form
9 The function ( )f x is defined by ( )f xx
= 2 x gt 0
Express ( )f 5 as a fraction with a rational denominator
3
2
[Turn over
X747750110Page 10
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10 Sketch the graph of ( )y x= minus +23 1
On your sketch show clearly the coordinates of the turning point and the point of intersection with the yndashaxis 3
X747750111Page 11
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11 Simplify
tan2 xdeg cos2 xdeg
Show your working
[Turn over
2
X747750112Page 12
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THIS MARGIN
12 The diagrams below show a rectangle and a triangle
All measurements are in centimetres
2x + 13x
x + 8 ( )2 5x +
(a) Find an expression for the area of the rectangle
(b) Given that the area of the rectangle is equal to the area of the triangle show that x2 minus 2x minus 8 = 0
1
3
X747750113Page 13
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12 (continued)
(c) Hence find algebraically the length and breadth of the rectangle
[END OF QUESTION PAPER]
3
X747750114Page 14
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ADDITIONAL SPACE FOR ANSWERS
X747750115Page 15
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ADDITIONAL SPACE FOR ANSWERS
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
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3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
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THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
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6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
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8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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ADDITIONAL SPACE FOR ANSWERS
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ADDITIONAL SPACE FOR ANSWERS
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ADDITIONAL SPACE FOR ANSWERS
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750220Page 20
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750103Page 03
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THIS MARGIN
Total marks mdash 40
Attempt ALL questions
1 Given p = ⎛ ⎞⎜ ⎟minus⎝ ⎠
4
6 and q =
minus minus
5
1
Find the resultant vector +1
2p q
Express your answer in component form
2 Evaluate +
3 1 24 3 7
Give your answer in its simplest form
[Turn over
2
2
X747750104Page 04
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3 The diagram shows a sector of a circle centre C
20 cm
45ordmC
A
B
The radius of the circle is 20 centimetres and angle ACB is 45deg
Calculate the area of the sector
Take π = 3middot14 3
X747750105Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
4 Charlie is making costumes for a school show
One day he made 2 cloaks and 3 dresses
The total amount of material he used was 96 square metres
(a) Write down an equation to illustrate this information
(b) The following day Charlie made 3 cloaks and 4 dresses
The total amount of material he used was 133 square metres
Write down an equation to illustrate this information
(c) Calculate the amount of material required to make one cloak and the amount of material required to make one dress
[Turn over
1
1
4
X747750106Page 06
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5 A cattle farmer records the weight of some of his calves
The scattergraph shows the relationship between the age A months and the weight W kilograms of the calves
Age(months)
Weight(kilograms)
A
W
D
E
A line of best fit is drawn
Point D represents a 3 month old calf which weighs 100 kilograms
Point E represents a 15 month old calf which weighs 340 kilograms
(a) Find the equation of the line of best fit in terms of A and W
Give the equation in its simplest form 3
X747750107Page 07
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5 (continued)
(b) Use your equation from part (a) to estimate the weight of a one year old calf
Show your working
6 Determine the nature of the roots of the function ( ) 7 5f x x x= + minus2 1
1
2
[Turn over
X747750108Page 08
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7 The diagram shows a rectangular based pyramid relative to the coordinate axes
O x
z
y
B
A(200)
V(526)
bull A is the point (200)
bull V is the point (526)
(a) Write down the coordinates of B
(b) Calculate the length of edge AV of the pyramid
1
3
X747750109Page 09
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8 Solve the equation
x xminus =2 52
3 6
Give your answer in its simplest form
9 The function ( )f x is defined by ( )f xx
= 2 x gt 0
Express ( )f 5 as a fraction with a rational denominator
3
2
[Turn over
X747750110Page 10
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THIS MARGIN
10 Sketch the graph of ( )y x= minus +23 1
On your sketch show clearly the coordinates of the turning point and the point of intersection with the yndashaxis 3
X747750111Page 11
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11 Simplify
tan2 xdeg cos2 xdeg
Show your working
[Turn over
2
X747750112Page 12
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12 The diagrams below show a rectangle and a triangle
All measurements are in centimetres
2x + 13x
x + 8 ( )2 5x +
(a) Find an expression for the area of the rectangle
(b) Given that the area of the rectangle is equal to the area of the triangle show that x2 minus 2x minus 8 = 0
1
3
X747750113Page 13
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12 (continued)
(c) Hence find algebraically the length and breadth of the rectangle
[END OF QUESTION PAPER]
3
X747750114Page 14
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THIS MARGIN
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X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
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THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
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THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
MARKS DO NOT WRITE IN
THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
MARKS DO NOT WRITE IN
THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
MARKS DO NOT WRITE IN
THIS MARGIN
12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750217Page 17
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THIS MARGIN
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X747750218Page 18
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X747750219Page 19
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X747750220Page 20
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X747750104Page 04
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THIS MARGIN
3 The diagram shows a sector of a circle centre C
20 cm
45ordmC
A
B
The radius of the circle is 20 centimetres and angle ACB is 45deg
Calculate the area of the sector
Take π = 3middot14 3
X747750105Page 05
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THIS MARGIN
4 Charlie is making costumes for a school show
One day he made 2 cloaks and 3 dresses
The total amount of material he used was 96 square metres
(a) Write down an equation to illustrate this information
(b) The following day Charlie made 3 cloaks and 4 dresses
The total amount of material he used was 133 square metres
Write down an equation to illustrate this information
(c) Calculate the amount of material required to make one cloak and the amount of material required to make one dress
[Turn over
1
1
4
X747750106Page 06
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THIS MARGIN
5 A cattle farmer records the weight of some of his calves
The scattergraph shows the relationship between the age A months and the weight W kilograms of the calves
Age(months)
Weight(kilograms)
A
W
D
E
A line of best fit is drawn
Point D represents a 3 month old calf which weighs 100 kilograms
Point E represents a 15 month old calf which weighs 340 kilograms
(a) Find the equation of the line of best fit in terms of A and W
Give the equation in its simplest form 3
X747750107Page 07
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THIS MARGIN
5 (continued)
(b) Use your equation from part (a) to estimate the weight of a one year old calf
Show your working
6 Determine the nature of the roots of the function ( ) 7 5f x x x= + minus2 1
1
2
[Turn over
X747750108Page 08
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THIS MARGIN
7 The diagram shows a rectangular based pyramid relative to the coordinate axes
O x
z
y
B
A(200)
V(526)
bull A is the point (200)
bull V is the point (526)
(a) Write down the coordinates of B
(b) Calculate the length of edge AV of the pyramid
1
3
X747750109Page 09
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THIS MARGIN
8 Solve the equation
x xminus =2 52
3 6
Give your answer in its simplest form
9 The function ( )f x is defined by ( )f xx
= 2 x gt 0
Express ( )f 5 as a fraction with a rational denominator
3
2
[Turn over
X747750110Page 10
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THIS MARGIN
10 Sketch the graph of ( )y x= minus +23 1
On your sketch show clearly the coordinates of the turning point and the point of intersection with the yndashaxis 3
X747750111Page 11
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THIS MARGIN
11 Simplify
tan2 xdeg cos2 xdeg
Show your working
[Turn over
2
X747750112Page 12
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THIS MARGIN
12 The diagrams below show a rectangle and a triangle
All measurements are in centimetres
2x + 13x
x + 8 ( )2 5x +
(a) Find an expression for the area of the rectangle
(b) Given that the area of the rectangle is equal to the area of the triangle show that x2 minus 2x minus 8 = 0
1
3
X747750113Page 13
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THIS MARGIN
12 (continued)
(c) Hence find algebraically the length and breadth of the rectangle
[END OF QUESTION PAPER]
3
X747750114Page 14
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750115Page 15
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750116Page 16
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
MARKS DO NOT WRITE IN
THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
MARKS DO NOT WRITE IN
THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
MARKS DO NOT WRITE IN
THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
MARKS DO NOT WRITE IN
THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
MARKS DO NOT WRITE IN
THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
MARKS DO NOT WRITE IN
THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
MARKS DO NOT WRITE IN
THIS MARGIN
12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
MARKS DO NOT WRITE IN
THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
MARKS DO NOT WRITE IN
THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
MARKS DO NOT WRITE IN
THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750217Page 17
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750218Page 18
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750219Page 19
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THIS MARGIN
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X747750220Page 20
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750105Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
4 Charlie is making costumes for a school show
One day he made 2 cloaks and 3 dresses
The total amount of material he used was 96 square metres
(a) Write down an equation to illustrate this information
(b) The following day Charlie made 3 cloaks and 4 dresses
The total amount of material he used was 133 square metres
Write down an equation to illustrate this information
(c) Calculate the amount of material required to make one cloak and the amount of material required to make one dress
[Turn over
1
1
4
X747750106Page 06
MARKS DO NOT WRITE IN
THIS MARGIN
5 A cattle farmer records the weight of some of his calves
The scattergraph shows the relationship between the age A months and the weight W kilograms of the calves
Age(months)
Weight(kilograms)
A
W
D
E
A line of best fit is drawn
Point D represents a 3 month old calf which weighs 100 kilograms
Point E represents a 15 month old calf which weighs 340 kilograms
(a) Find the equation of the line of best fit in terms of A and W
Give the equation in its simplest form 3
X747750107Page 07
MARKS DO NOT WRITE IN
THIS MARGIN
5 (continued)
(b) Use your equation from part (a) to estimate the weight of a one year old calf
Show your working
6 Determine the nature of the roots of the function ( ) 7 5f x x x= + minus2 1
1
2
[Turn over
X747750108Page 08
MARKS DO NOT WRITE IN
THIS MARGIN
7 The diagram shows a rectangular based pyramid relative to the coordinate axes
O x
z
y
B
A(200)
V(526)
bull A is the point (200)
bull V is the point (526)
(a) Write down the coordinates of B
(b) Calculate the length of edge AV of the pyramid
1
3
X747750109Page 09
MARKS DO NOT WRITE IN
THIS MARGIN
8 Solve the equation
x xminus =2 52
3 6
Give your answer in its simplest form
9 The function ( )f x is defined by ( )f xx
= 2 x gt 0
Express ( )f 5 as a fraction with a rational denominator
3
2
[Turn over
X747750110Page 10
MARKS DO NOT WRITE IN
THIS MARGIN
10 Sketch the graph of ( )y x= minus +23 1
On your sketch show clearly the coordinates of the turning point and the point of intersection with the yndashaxis 3
X747750111Page 11
MARKS DO NOT WRITE IN
THIS MARGIN
11 Simplify
tan2 xdeg cos2 xdeg
Show your working
[Turn over
2
X747750112Page 12
MARKS DO NOT WRITE IN
THIS MARGIN
12 The diagrams below show a rectangle and a triangle
All measurements are in centimetres
2x + 13x
x + 8 ( )2 5x +
(a) Find an expression for the area of the rectangle
(b) Given that the area of the rectangle is equal to the area of the triangle show that x2 minus 2x minus 8 = 0
1
3
X747750113Page 13
MARKS DO NOT WRITE IN
THIS MARGIN
12 (continued)
(c) Hence find algebraically the length and breadth of the rectangle
[END OF QUESTION PAPER]
3
X747750114Page 14
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750115Page 15
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750116Page 16
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
MARKS DO NOT WRITE IN
THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
MARKS DO NOT WRITE IN
THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
MARKS DO NOT WRITE IN
THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
MARKS DO NOT WRITE IN
THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
MARKS DO NOT WRITE IN
THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
MARKS DO NOT WRITE IN
THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
MARKS DO NOT WRITE IN
THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
MARKS DO NOT WRITE IN
THIS MARGIN
12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
MARKS DO NOT WRITE IN
THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
MARKS DO NOT WRITE IN
THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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ADDITIONAL SPACE FOR ANSWERS
X747750217Page 17
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750218Page 18
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750219Page 19
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X747750220Page 20
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750106Page 06
MARKS DO NOT WRITE IN
THIS MARGIN
5 A cattle farmer records the weight of some of his calves
The scattergraph shows the relationship between the age A months and the weight W kilograms of the calves
Age(months)
Weight(kilograms)
A
W
D
E
A line of best fit is drawn
Point D represents a 3 month old calf which weighs 100 kilograms
Point E represents a 15 month old calf which weighs 340 kilograms
(a) Find the equation of the line of best fit in terms of A and W
Give the equation in its simplest form 3
X747750107Page 07
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THIS MARGIN
5 (continued)
(b) Use your equation from part (a) to estimate the weight of a one year old calf
Show your working
6 Determine the nature of the roots of the function ( ) 7 5f x x x= + minus2 1
1
2
[Turn over
X747750108Page 08
MARKS DO NOT WRITE IN
THIS MARGIN
7 The diagram shows a rectangular based pyramid relative to the coordinate axes
O x
z
y
B
A(200)
V(526)
bull A is the point (200)
bull V is the point (526)
(a) Write down the coordinates of B
(b) Calculate the length of edge AV of the pyramid
1
3
X747750109Page 09
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THIS MARGIN
8 Solve the equation
x xminus =2 52
3 6
Give your answer in its simplest form
9 The function ( )f x is defined by ( )f xx
= 2 x gt 0
Express ( )f 5 as a fraction with a rational denominator
3
2
[Turn over
X747750110Page 10
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THIS MARGIN
10 Sketch the graph of ( )y x= minus +23 1
On your sketch show clearly the coordinates of the turning point and the point of intersection with the yndashaxis 3
X747750111Page 11
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THIS MARGIN
11 Simplify
tan2 xdeg cos2 xdeg
Show your working
[Turn over
2
X747750112Page 12
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THIS MARGIN
12 The diagrams below show a rectangle and a triangle
All measurements are in centimetres
2x + 13x
x + 8 ( )2 5x +
(a) Find an expression for the area of the rectangle
(b) Given that the area of the rectangle is equal to the area of the triangle show that x2 minus 2x minus 8 = 0
1
3
X747750113Page 13
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12 (continued)
(c) Hence find algebraically the length and breadth of the rectangle
[END OF QUESTION PAPER]
3
X747750114Page 14
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750115Page 15
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
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THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
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THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
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THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750217Page 17
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750218Page 18
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
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ADDITIONAL SPACE FOR ANSWERS
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X747750107Page 07
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5 (continued)
(b) Use your equation from part (a) to estimate the weight of a one year old calf
Show your working
6 Determine the nature of the roots of the function ( ) 7 5f x x x= + minus2 1
1
2
[Turn over
X747750108Page 08
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THIS MARGIN
7 The diagram shows a rectangular based pyramid relative to the coordinate axes
O x
z
y
B
A(200)
V(526)
bull A is the point (200)
bull V is the point (526)
(a) Write down the coordinates of B
(b) Calculate the length of edge AV of the pyramid
1
3
X747750109Page 09
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THIS MARGIN
8 Solve the equation
x xminus =2 52
3 6
Give your answer in its simplest form
9 The function ( )f x is defined by ( )f xx
= 2 x gt 0
Express ( )f 5 as a fraction with a rational denominator
3
2
[Turn over
X747750110Page 10
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THIS MARGIN
10 Sketch the graph of ( )y x= minus +23 1
On your sketch show clearly the coordinates of the turning point and the point of intersection with the yndashaxis 3
X747750111Page 11
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THIS MARGIN
11 Simplify
tan2 xdeg cos2 xdeg
Show your working
[Turn over
2
X747750112Page 12
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THIS MARGIN
12 The diagrams below show a rectangle and a triangle
All measurements are in centimetres
2x + 13x
x + 8 ( )2 5x +
(a) Find an expression for the area of the rectangle
(b) Given that the area of the rectangle is equal to the area of the triangle show that x2 minus 2x minus 8 = 0
1
3
X747750113Page 13
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12 (continued)
(c) Hence find algebraically the length and breadth of the rectangle
[END OF QUESTION PAPER]
3
X747750114Page 14
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750115Page 15
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750116Page 16
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
MARKS DO NOT WRITE IN
THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
MARKS DO NOT WRITE IN
THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
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THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
MARKS DO NOT WRITE IN
THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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THIS MARGIN
12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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ADDITIONAL SPACE FOR ANSWERS
X747750217Page 17
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ADDITIONAL SPACE FOR ANSWERS
X747750218Page 18
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ADDITIONAL SPACE FOR ANSWERS
X747750219Page 19
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THIS MARGIN
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X747750220Page 20
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750108Page 08
MARKS DO NOT WRITE IN
THIS MARGIN
7 The diagram shows a rectangular based pyramid relative to the coordinate axes
O x
z
y
B
A(200)
V(526)
bull A is the point (200)
bull V is the point (526)
(a) Write down the coordinates of B
(b) Calculate the length of edge AV of the pyramid
1
3
X747750109Page 09
MARKS DO NOT WRITE IN
THIS MARGIN
8 Solve the equation
x xminus =2 52
3 6
Give your answer in its simplest form
9 The function ( )f x is defined by ( )f xx
= 2 x gt 0
Express ( )f 5 as a fraction with a rational denominator
3
2
[Turn over
X747750110Page 10
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THIS MARGIN
10 Sketch the graph of ( )y x= minus +23 1
On your sketch show clearly the coordinates of the turning point and the point of intersection with the yndashaxis 3
X747750111Page 11
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11 Simplify
tan2 xdeg cos2 xdeg
Show your working
[Turn over
2
X747750112Page 12
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THIS MARGIN
12 The diagrams below show a rectangle and a triangle
All measurements are in centimetres
2x + 13x
x + 8 ( )2 5x +
(a) Find an expression for the area of the rectangle
(b) Given that the area of the rectangle is equal to the area of the triangle show that x2 minus 2x minus 8 = 0
1
3
X747750113Page 13
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12 (continued)
(c) Hence find algebraically the length and breadth of the rectangle
[END OF QUESTION PAPER]
3
X747750114Page 14
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750115Page 15
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750116Page 16
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
MARKS DO NOT WRITE IN
THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
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THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
MARKS DO NOT WRITE IN
THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
MARKS DO NOT WRITE IN
THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
MARKS DO NOT WRITE IN
THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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THIS MARGIN
12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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ADDITIONAL SPACE FOR ANSWERS
X747750217Page 17
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750218Page 18
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X747750219Page 19
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750220Page 20
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X747750109Page 09
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8 Solve the equation
x xminus =2 52
3 6
Give your answer in its simplest form
9 The function ( )f x is defined by ( )f xx
= 2 x gt 0
Express ( )f 5 as a fraction with a rational denominator
3
2
[Turn over
X747750110Page 10
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THIS MARGIN
10 Sketch the graph of ( )y x= minus +23 1
On your sketch show clearly the coordinates of the turning point and the point of intersection with the yndashaxis 3
X747750111Page 11
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THIS MARGIN
11 Simplify
tan2 xdeg cos2 xdeg
Show your working
[Turn over
2
X747750112Page 12
MARKS DO NOT WRITE IN
THIS MARGIN
12 The diagrams below show a rectangle and a triangle
All measurements are in centimetres
2x + 13x
x + 8 ( )2 5x +
(a) Find an expression for the area of the rectangle
(b) Given that the area of the rectangle is equal to the area of the triangle show that x2 minus 2x minus 8 = 0
1
3
X747750113Page 13
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THIS MARGIN
12 (continued)
(c) Hence find algebraically the length and breadth of the rectangle
[END OF QUESTION PAPER]
3
X747750114Page 14
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750115Page 15
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750116Page 16
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
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THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
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THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
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THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
MARKS DO NOT WRITE IN
THIS MARGIN
12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750217Page 17
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750218Page 18
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750219Page 19
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750220Page 20
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ADDITIONAL SPACE FOR ANSWERS
X747750110Page 10
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10 Sketch the graph of ( )y x= minus +23 1
On your sketch show clearly the coordinates of the turning point and the point of intersection with the yndashaxis 3
X747750111Page 11
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THIS MARGIN
11 Simplify
tan2 xdeg cos2 xdeg
Show your working
[Turn over
2
X747750112Page 12
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THIS MARGIN
12 The diagrams below show a rectangle and a triangle
All measurements are in centimetres
2x + 13x
x + 8 ( )2 5x +
(a) Find an expression for the area of the rectangle
(b) Given that the area of the rectangle is equal to the area of the triangle show that x2 minus 2x minus 8 = 0
1
3
X747750113Page 13
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THIS MARGIN
12 (continued)
(c) Hence find algebraically the length and breadth of the rectangle
[END OF QUESTION PAPER]
3
X747750114Page 14
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750115Page 15
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750116Page 16
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
MARKS DO NOT WRITE IN
THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
MARKS DO NOT WRITE IN
THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
MARKS DO NOT WRITE IN
THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
MARKS DO NOT WRITE IN
THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
MARKS DO NOT WRITE IN
THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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THIS MARGIN
12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
MARKS DO NOT WRITE IN
THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750217Page 17
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750218Page 18
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750219Page 19
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750220Page 20
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750111Page 11
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THIS MARGIN
11 Simplify
tan2 xdeg cos2 xdeg
Show your working
[Turn over
2
X747750112Page 12
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THIS MARGIN
12 The diagrams below show a rectangle and a triangle
All measurements are in centimetres
2x + 13x
x + 8 ( )2 5x +
(a) Find an expression for the area of the rectangle
(b) Given that the area of the rectangle is equal to the area of the triangle show that x2 minus 2x minus 8 = 0
1
3
X747750113Page 13
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THIS MARGIN
12 (continued)
(c) Hence find algebraically the length and breadth of the rectangle
[END OF QUESTION PAPER]
3
X747750114Page 14
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750115Page 15
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750116Page 16
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
MARKS DO NOT WRITE IN
THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
MARKS DO NOT WRITE IN
THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
MARKS DO NOT WRITE IN
THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
MARKS DO NOT WRITE IN
THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
MARKS DO NOT WRITE IN
THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
MARKS DO NOT WRITE IN
THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
MARKS DO NOT WRITE IN
THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
MARKS DO NOT WRITE IN
THIS MARGIN
12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
MARKS DO NOT WRITE IN
THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
MARKS DO NOT WRITE IN
THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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ADDITIONAL SPACE FOR ANSWERS
X747750217Page 17
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750218Page 18
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750219Page 19
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750220Page 20
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750112Page 12
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THIS MARGIN
12 The diagrams below show a rectangle and a triangle
All measurements are in centimetres
2x + 13x
x + 8 ( )2 5x +
(a) Find an expression for the area of the rectangle
(b) Given that the area of the rectangle is equal to the area of the triangle show that x2 minus 2x minus 8 = 0
1
3
X747750113Page 13
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12 (continued)
(c) Hence find algebraically the length and breadth of the rectangle
[END OF QUESTION PAPER]
3
X747750114Page 14
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ADDITIONAL SPACE FOR ANSWERS
X747750115Page 15
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750116Page 16
MARKS DO NOT WRITE IN
THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
MARKS DO NOT WRITE IN
THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
MARKS DO NOT WRITE IN
THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
MARKS DO NOT WRITE IN
THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
MARKS DO NOT WRITE IN
THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
MARKS DO NOT WRITE IN
THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
MARKS DO NOT WRITE IN
THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
MARKS DO NOT WRITE IN
THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
MARKS DO NOT WRITE IN
THIS MARGIN
12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
MARKS DO NOT WRITE IN
THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
MARKS DO NOT WRITE IN
THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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X747750113Page 13
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12 (continued)
(c) Hence find algebraically the length and breadth of the rectangle
[END OF QUESTION PAPER]
3
X747750114Page 14
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X747750115Page 15
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X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
MARKS DO NOT WRITE IN
THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
MARKS DO NOT WRITE IN
THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
MARKS DO NOT WRITE IN
THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
MARKS DO NOT WRITE IN
THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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THIS MARGIN
12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
MARKS DO NOT WRITE IN
THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750217Page 17
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X747750115Page 15
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X747750116Page 16
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
MARKS DO NOT WRITE IN
THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
MARKS DO NOT WRITE IN
THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
MARKS DO NOT WRITE IN
THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
MARKS DO NOT WRITE IN
THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
MARKS DO NOT WRITE IN
THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
MARKS DO NOT WRITE IN
THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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THIS MARGIN
12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
MARKS DO NOT WRITE IN
THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
MARKS DO NOT WRITE IN
THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750217Page 17
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750218Page 18
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X747750220Page 20
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X747750115Page 15
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X747750116Page 16
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
MARKS DO NOT WRITE IN
THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
MARKS DO NOT WRITE IN
THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
MARKS DO NOT WRITE IN
THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
MARKS DO NOT WRITE IN
THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
MARKS DO NOT WRITE IN
THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
MARKS DO NOT WRITE IN
THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
MARKS DO NOT WRITE IN
THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
MARKS DO NOT WRITE IN
THIS MARGIN
12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
MARKS DO NOT WRITE IN
THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
MARKS DO NOT WRITE IN
THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
MARKS DO NOT WRITE IN
THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750217Page 17
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X747750116Page 16
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
MARKS DO NOT WRITE IN
THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
MARKS DO NOT WRITE IN
THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
MARKS DO NOT WRITE IN
THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
MARKS DO NOT WRITE IN
THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
MARKS DO NOT WRITE IN
THIS MARGIN
6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
MARKS DO NOT WRITE IN
THIS MARGIN
7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
MARKS DO NOT WRITE IN
THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
MARKS DO NOT WRITE IN
THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
MARKS DO NOT WRITE IN
THIS MARGIN
11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
MARKS DO NOT WRITE IN
THIS MARGIN
12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
MARKS DO NOT WRITE IN
THIS MARGIN
14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
MARKS DO NOT WRITE IN
THIS MARGIN
15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
MARKS DO NOT WRITE IN
THIS MARGIN
16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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THIS MARGIN
ADDITIONAL SPACE FOR ANSWERS
X747750217Page 17
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ADDITIONAL SPACE FOR ANSWERS
X747750218Page 18
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X747750201
X7477502
N5FOR OFFICIAL USE
Fill in these boxes and read what is printed below
Number of seat
Town
copy
Mark
Full name of centre
Forename(s) Surname
Scottish candidate numberDate of birth
YearDay Month
NationalQualications2016
Total marks mdash 50
Attempt ALL questions
You may use a calculator
Full credit will be given only to solutions which contain appropriate working
State the units for your answer where appropriate
Write your answers clearly in the spaces provided in this booklet Additional space for answers is provided at the end of this booklet If you use this space you must clearly identify the question number you are attempting
Use blue or black ink
Before leaving the examination room you must give this booklet to the Invigilator if you do not you may lose all the marks for this paper
X7477502
THURSDAY 12 MAY
220 PM ndash 350 PM
AHTP
MathematicsPaper 2
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
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Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
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3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
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THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
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6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
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8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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ADDITIONAL SPACE FOR ANSWERS
X747750202Page 02
FORMULAE LIST
The roots of ( )2
2 40 are
2 x
b b acax bx c
a=
minus plusmn minus+ + =
Sine rule sin sin sina b cA B C
= =
Cosine rule cos cos2 2 2
2 2 2 2 or2
b c aa b c bc A Abc
+ minus= + minus =
Area of a triangle sin12A ab C=
Volume of a sphere 343V r= π
Volume of a cone 213V r h= π
Volume of a pyramid 13V Ah=
Standard deviation ( )2
1
x xsn
Σ minus=minus
or
( )22
1
xxns
n
ΣΣ minus=
minus where n is the sample size
X747750203Page 03
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THIS MARGIN
Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
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THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
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THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
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6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
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8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
X747750216Page 16
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X747750203Page 03
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Total marks mdash 50
Attempt ALL questions
1 A drinks manufacturer is reducing the sugar content of one of their fizzy drinks by 8 per year over the next 3 years
The sugar content of a standard can is currently 35 grams
Calculate the sugar content of a standard can after 3 years
2 A pollen sample weighs 12 grams
and contains 1middot5 times 109 pollen grains
Calculate the weight of one pollen grain in grams
Give your answer in scientific notation
3
2
[Turn over
X747750204Page 04
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THIS MARGIN
3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
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THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
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THIS MARGIN
6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
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THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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X747750204Page 04
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3 The diagram below shows parallelogram ABCD
A B
D C
v
u
AB represents vector u and BC represents vector v
Express BD in terms of u and v
4 Factorise fully 3x2 minus 48
1
2
X747750205Page 05
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THIS MARGIN
5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
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6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
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8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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X747750205Page 05
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5 The diagram below shows a circle centre O
D
E
O
C
A
B143deg
bull ABandCBaretangentstothecircle
bull ACandEDareparallel
bull AngleAODis143ordm
Calculate the size of angle ABC 3
[Turn over
X747750206Page 06
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6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
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8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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THIS MARGIN
9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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6 Jack called his internet provider on six occasions to report connection problems
On each occasion he noted the length of time he had to wait before speaking to an adviser
The times (in minutes) were as follows
13 16 10 22 5 12
(a) Calculate the mean and standard deviation of these times 4
X747750207Page 07
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6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
X747750208Page 08
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7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
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THIS MARGIN
8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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6 (continued)
(b) Sophie also called the same internet provider on several occasions to report connection problems
Her mean waiting time was 15 minutes and the standard deviation was 4middot3 minutes
Make two valid comments comparing Sophiersquos waiting times with Jackrsquos waiting times
[Turn over
2
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7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
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8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
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9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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X747750208Page 08
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7 A carton is in the shape of a large cone with a small cone removed
The large cone has diameter of 32 cm and height 24 cm
The small cone has diameter of 18 cm and height 13middot5 cm
24 cm
135 cm18 cm
32 cm
Calculate the volume of the carton
Give your answer correct to 2 significant figures 5
X747750209Page 09
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8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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X747750209Page 09
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8 A set of stepladders has legs 150 centimetres and 140 centimetres long
When the stepladder is fully open the angle between the longer leg and the ground is 66deg
66deg xdeg
150 cm 140 cm
Calculate xdeg the size of the angle between the shorter leg and the ground 3
[Turn over
X747750210Page 10
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9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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9 Express x2 + 8x minus 7 in the form ( )2x a b+ +
10 Simplify ( )n nminustimes32 10
Give your answer with a positive power
2
3
X747750211Page 11
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11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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X747750211Page 11
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11 Two pictures are mathematically similar in shape
60 cm
100 cm
The cost of each picture is proportional to its area
Thelargepicturecostspound13∙75
Find the cost of the small picture 3
[Turn over
X747750212Page 12
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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12 Change the subject of the formula L kt p= minus4 to k
13 Express
x x+
minus +3 52 1
x ne 2 x ne minus1
as a single fraction in its simplest form
3
3
X747750213Page 13
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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14 Solve the equation 2 tan xdeg + 5 = minus4 for 0 360xle le
[Turn over
3
X747750214Page 14
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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15 This perfume bottle has a label in the shape of part of a circle
Label
A diagram of the label is shown below
9 cm
height of label
6∙6 cm
A B
O
bull ThecentreofthecircleisO
bull ThechordABis9centimetres
bull TheradiusOBis6∙6centimetres
Find the height of the label 4
X747750215Page 15
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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16 In the diagram below
bull DEisperpendiculartoAC
bull AD= 4 centimetres
bull DB= 6 centimetres
bull AE= EC = 3 centimetres
4 cm
3 cm 3 cm
6 cm
C
B
A
D
E
Calculate the length of BC
Give your answer correct to one decimal place 4
[END OF QUESTION PAPER]
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