Chapters 1 and 2 Review Everything you wanted to know about expressions but were afraid to ask.

Chapters 1 and 2 Review

Everything you wanted to know about expressions but were afraid to

ask.

Please select a Team.

Team 1

Team 2

Team 3

Team 4

Team 5

20% 20% 20%20%20%1. Team 12. Team 23. Team 34. Team 45. Team 5

Write an algebraic expression for the phrase.

4q +

p

4 + q

+ p

4qp

4(q +

p)

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4 times the sum of q and p

1. 4q + p2. 4 + q + p3. 4qp4. 4(q + p)

Define a variable and write an expression for the phrase.

d = 22

c

c = 2

2d

c = d

+ 22

d

c = d

+ 22

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Days Cost2 443 665 1106 132

What equation models the data in the table if d = number of days

and c = cost?

1. d = 22c2. c = 22d3. c = d + 22d4. c = d + 22

s = 3

P P =

3s

P = 3 +

s

P = 3(s

+ s +

s)

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An equilateral triangle has three sides of equal length. What is the equation for the perimeter of an equilateral

triangle if P = perimeter and s = length of a side?

1. s = 3P2. P = 3s3. P = 3 + s4. P = 3(s + s + s)

Team Scores

0 Team 10 Team 20 Team 30 Team 40 Team 5

188 36 98 22

4

25% 25%25%25%

Evaluate u + xy, for u = 18, x = 10, and y = 8.

1. 1882. 363. 984. 224

$95.38 $60.99 $57.23 $78.19

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A pair of shoes costs $52.99 and the state sales tax is 8%. Use the formula C = p + rp to find the total cost of the

shoes, where C is the total cost, p is the price, and r is the sales tax rate.

1. $95.382. $60.993. $57.234. $78.19

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33% 33%33%

When simplifying an expression, you ____ perform operations inside grouping symbols

first.1. always2. sometimes3. never

Team Scores


36 24 81 144

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Evaluate the expression for a = 4 and b = 3.

1. 362. 243. 814. 144

30°C

16.7°

C

52.2°

C 2.

4°C

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You can use the formula to convert temperature in degrees Fahrenheit, F, to temperature in

degrees Celsius, C. What is 62°F in degrees Celsius? Round your answer to the nearest tenth.

1. 30°C2. 16.7°C3. 52.2°C4. 2.4°C

108 36 18 9

25% 25%25%25%1. 1082. 363. 184. 9

Simplify the expression.

Team Scores


29 80 128 92

25% 25%25%25%1. 292. 803. 1284. 92


297

868

437

867

25% 25%25%25%1. 2972. 8683. 4374. 867


585

169 26 18

1

25% 25%25%25%1. 5852. 1693. 264. 181


Team Scores


288 i

n.3

9.6 i

n.3

32 in

.3

96 in

.3

25% 25%25%25%

Evaluate the formula for B = 9 in.2 and h = 32 in.

1. 288 in.3

2. 9.6 in.3

3. 32 in.3

4. 96 in.3

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33% 33%33%

A rational number is ____ a real number.

1. always2. sometimes3. never

ratio

nal nu

mbers

natural

numbers, w

h...

ratio

nal nu

mbers, ir

r...

none of th

e abov

e

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Name the set(s) of numbers to which 1.68 belongs.

1. rational numbers2. natural numbers,

whole numbers, integers, rational numbers

3. rational numbers, irrational numbers

4. none of the above

Team Scores


whole

numbers, n

atur..

ratio

nal nu

mbers

whole

numbers, in

te...

integ

ers, ra

tional

nu...

25% 25%25%25%

Name the set(s) of numbers to which –5 belongs.

1. whole numbers, natural numbers, integers

2. rational numbers3. whole numbers,

integers, rational numbers

4. integers, rational numbers

whole

numbers

irrati

onal numbers

ratio

nal nu

mbers

integ

ers

25% 25%25%25%

Which set of numbers is the most reasonable to describe the number of desks

in a classroom?1. whole numbers2. irrational numbers3. rational numbers4. integers

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The opposite of a negative number is ____ negative.


Team Scores


2.8 –2.8

50%50%1. 2.82. –2.8

=

p = 7.5

0h

p = 15

h

p = h +

15

h = 7.5

0p

25% 25%25%25%

Hour Worked

Pay

2 $15.004 $30.006 $45.008 $60.00

Write a function rule for each table.

1. p = 7.50h2. p = 15h3. p = h + 154. h = 7.50p

c = 2

2d + 12

c = 1

2d + 22

c = 2

2d + 22

c = 2

2d

25% 25%25%25%

Days Cost to Rent a Truck

1 342 563 784 100

1. c = 22d + 122. c = 12d + 223. c = 22d + 224. c = 22d

Write a function rule for each table.

time a

t table

; cost

cost;

time a

t table

number of

games

; cost

cost;

number of p

layers

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The cost of playing pool increases with the amount of time using the table. Identify the independent and dependent

quantity in the situation.

1. time at table; cost2. cost; time at table3. number of games;

cost4. cost; number of

players

Team Scores


number ofcars;

moneyraised; 50to 75 cars;

$500 to$750

moneyraised;

number ofcars; $500to $750; 50to 75 cars

number ofcars;

moneyraised;$500 to

$750; 50 to75 cars

moneyraised;

number ofcars; 50 to

75 cars;$500 to

$750

25% 25%25%25%

The french club is holding a car wash fundraiser. They are going to charge $10 per car, and expect between 50 and 75 cars. Identify the

independent and dependent quantity in the situation, and find reasonable domain and range values.

1. number of cars; money raised; 50 to 75 cars; $500 to $750

2. money raised; number of cars; $500 to $750; 50 to 75 cars

3. number of cars; money raised; $500 to $750; 50 to 75 cars

4. money raised; number of cars; 50 to 75 cars; $500 to $750

15 –3 –15 3

25% 25%25%25%

–9 + 61. 152. –33. –154. 3


–4 –5.8 5.8

–15.4

25% 25%25%25%

–4.8 – (–4.9) + 5.71. –42. –5.83. 5.84. –15.4


13 –13 12 –1

2

25% 25%25%25%1. 132. –133. 124. –12


Team Scores


–7.51

–1.29 1.2

98.6

3

25% 25%25%25%

3.7 – 1.8 – 3.67 + 4.4 – 1.341. –7.512. –1.293. 1.294. 8.63


–16.2

5

–31.8

5

–12.2

531

.85

25% 25%25%25%

–6.5(–4.9)1. –16.252. –31.853. –12.254. 31.85


–32 16 –1

0 32

25% 25%25%25%1. –322. 163. –104. 32


Team Scores


20 125

–625 62

5

25% 25%25%25%1. 202. 1253. –6254. 625


36 –72 72 –3

6

25% 25%25%25%1. 362. –723. 724. –36


–5 +

c 5

+ c 5

– c

–5 –

c

25% 25%25%25%

(–5 – c)(–1)1. –5 + c2. 5 + c3. 5 – c4. –5 – c


Team Scores


–18n

+ 81mn –

153n

p

–2n + 9m

– 17

p

–2n + 9m

n – 17

np

–2n –

9mn +

17np

25% 25%25%25%1. –18n + 81mn – 153np

2. –2n + 9m – 17p3. –2n + 9mn – 17np4. –2n – 9mn + 17np


12,54

0 ft

–12,5

40 ft

10,74

0 ft

12,94

0 ft

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A mountain climber ascends a mountain to its peak. The peak is 12,740 ft above sea level. The climber then

descends 200 ft to meet a fellow climber. Find the climber’s elevation above sea level after meeting the other climber.

1. 12,540 ft2. –12,540 ft3. 10,740 ft4. 12,940 ft

–1.8

–3.6 1.8 3.6

25% 25%25%25%

Evaluate –x + 2.7 for x = 0.9.1. –1.82. –3.63. 1.84. 3.6


Team Scores


11 +

c; 11

+ (–85

) = 96

85 +

c; 85

+ (–11

) = 74

11 –

c; 11

– (–8

5) = 7

4

85 –

c; 85

– (–1

1) = 9

6

25% 25%25%25%

The temperature on a summer afternoon is 85°F. Define a variable and write an expression to find the temperature

after it changes. Then evaluate your expression for a decrease of 11 degrees Fahrenheit.

1. 11 + c; 11 + (–85) = 962. 85 + c; 85 + (–11) = 743. 11 – c; 11 – (–85) = 744. 85 – c; 85 – (–11) = 96

4 8 –4 –8

25% 25%25%25%

Evaluate for x = –2 and y = 3.

1. 42. 83. –44. –8

24 3 10 –18

25% 25%25%25%

Evaluate b – 2a – c for a = –7, b = 3, and c = –7.

1. 242. 33. 104. –18

Team Scores


$26.44 $24.94 $25.75 $25.06

25% 25%25%25%

The closing price of a share of stock in Company XYZ is $25.69 on Thursday. If the change from the closing price on

Wednesday is –$0.75, find the closing price on Wednesday.

1. $26.442. $24.943. $25.754. $25.06

$72.31 +($17.92 –$15.33);$74.90

$72.31 –$17.92 –$15.33;$39.06

$72.31 +$17.92 +$15.33;$105.56

$72.31 –($17.92 –$15.33);$69.72

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You made two deposits to your bank account this month. One deposit was $17.92, and the second deposit was $15.33. Your balance at the end of the month is $72.31, and you made no withdrawals. Write and

evaluate an expression for your balance at the beginning of the month.

1. $72.31 + ($17.92 – $15.33); $74.90

2. $72.31 – $17.92 – $15.33; $39.06

3. $72.31 + $17.92 + $15.33; $105.56

4. $72.31 – ($17.92 – $15.33); $69.72

–6 10 12 –8

25% 25%25%25%

Evaluate x(–y + z) for x = 3, y = 3, and z = 1.

1. –62. 103. 124. –8

Team Scores


25% 25%25%25%

The expression can be used to calculate the change in temperature in degrees Fahrenheit for an increase in altitude a, measured in feet.

A plane starts on the ground and then rises 23,000 ft. Find the change in temperature at the

altitude of the plane.1. 126.5 degrees2. –126.5 degrees3. –125 degrees4. 125 degrees

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33% 33%33%

The product of two negative numbers is ____ positive.


24 –6 –24 6

25% 25%25%25%

–12(–2)

1. 242. –63. –244. 6

Team Scores


–10

–19

–30

–22

25% 25%25%25%

Evaluate for m = –4, n = 2, and p = 1.5.

1. –102. –193. –304. –22

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33% 33%33%

If a is a negative number, then is ____ equal to –1.


3500

3493

3514

3486

25% 25%25%25%

Simplify 7(499) using the Distributive Property.

1. 35002. 34933. 35144. 3486

Team Scores


$105.00 $98.00 $104.93 $105.70

25% 25%25%25%

Use the Distributive Property to find the price of 7 CDs that cost $14.99 each.

1. $105.002. $98.003. $104.934. $105.70

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33% 33%33%

For every real number x, y, and z, the statement is ____ true.


38z

–38z 18 18

z

25% 25%25%25%

–10z – 28z

1. 38z2. –38z3. 184. 18z

Team Scores


Name the property the equation illustrates.

Inve

rse P

roperty

of Mu...

Multip

licati

on Prop

ert...

Iden

tity Prop

erty o

f A...

Iden

tity Prop

erty o

f Mu..

.

25% 25%25%25%1. Inverse Property of Multiplication

2. Multiplication Property of –1

3. Identity Property of Addition

4. Identity Property of Multiplication

Iden

tity Prop

erty o

f A...

Multip

licati

on Prop

ert...

Commutative

Propert

...

Inve

rse P

roperty

of Mu...

25% 25%25%25%

0 + x = x


2. Multiplication Property of 0

3. Commutative Property of Addition

4. Inverse Property of Multiplication

Iden

tity Prop

erty o

f D...

Inve

rse P

roperty

of A...

Inve

rse P

roperty

of Mu...

Multip

licati

on Prop

ert...

25% 25%25%25%

81/8 = 1

1. Identity Property of Division

2. Inverse Property of Addition


4. Multiplication Property of –1

Team Scores


Inve

rse P

roperty

of A...

Addition Pro

perty o

f 0

Iden

tity Prop

erty o

f A...

Inve

rse P

roperty

of Mu...

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8.2 + (–8.2) = 0


2. Addition Property of 0



Inve

rse P

roperty

of A...

Associa

tive P

ropert

y...

Commutative

Propert

...

Inve

rse P

roperty

of Mu...

25% 25%25%25%

8 + 3.4 = 3.4 + 8


2. Associative Property of Addition



Inve

rse P

roperty

of A...

Associa

tive P

ropert

y...

Commutative

Propert

...

Commutative

Propert

...

25% 25%25%25%

7 + (4 + 4) = (7 + 4) + 41. Inverse Property of

Addition2. Associative Property of

Addition3. Commutative Property

of Multiplication4. Commutative Property

of Addition

Associa

tive P

ropert

y...

Commutative

Propert

...

Inve

rse P

roperty

of Mu...

Commutative

Propert

...

25% 25%25%25%1. Associative Property of Addition

2. Commutative Property of Multiplication



Inve

rse P

roperty

of Mu...

Associa

tive P

ropert

y...

Associa

tive P

ropert

y ..

Commutative

Propert

...

25% 25%25%25%

(ab)3 = a(b3)1. Inverse Property of

Multiplication2. Associative Property of

Addition3. Associative Property of

Multiplication4. Commutative Property

of Multiplication

Team Scores


One More Question !!!!!

Final Scores


Chapters 1 and 2 Review Everything you wanted to know about expressions but were afraid to ask.

Documents

Transcript of Chapters 1 and 2 Review Everything you wanted to know about expressions but were afraid to ask.