Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

19
Algebra Jeopardy* Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests

Transcript of Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

Page 1: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

Algebra Jeopardy*Kristina Anderson

March 26, 2009

*Some questions have been taken from released SOL tests

Page 2: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

EXIT

Systems System Graphs

Word Problem

s

Potpourri

100 100 100 100

200 200 200 200

300 300 300 300

400 400 400 400

Page 3: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

What is the solution to this system of equations?

72 8

x yx y

SOL A.9

(5,2)

(2,5)

(12,–5)

(–2,5)

0% 0%0%0%

A. (5,2)B. (2,5) C. (12,–5) D. (–2,5)

Page 4: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

Which is a solution to the following system?

(–1,2)

(–1,0)

(0,3)

(1,6)

0% 0%0%0%

3 32 4y xx y

SOL A.9

A. (–1,2) B. (–1,0) C. (0,3)D. (1,6)

Page 5: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

Which is a solution to the following system?

(–2,–5)

(2,–1)

(4,1)

(3,0)

0% 0%0%0%

SOL A.9

31

y xy x

A. (–2,–5) B. (2,–1)C. (4,1)D. (3,0)

Page 6: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

What is the solution to this system of equations?

(–1,–1)

(1,–4)

(–7/3

, 1)

(1,1)

0% 0%0%0%

SOL A.9

3 2 52 5 3x yx y

A. (–1,–1) B. (1,–4)C. (–7/3, 1)D. (1,1)

Page 7: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

What is the solution to the graphed system?

(0,–7)

(0,4)

(–5,–3)

(–3,–5)

25% 25%25%25%

SOL A.9

A. (0,–7)B. (0,4) C. (–5,–3) D. (–3,–5)

Page 8: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

The graph has _______ solutions.25% 25%25%25%

SOL A.9

A. ZeroB. One C. Two D. Infinite

Page 9: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

What is the solution to the graphed system? 25% 25%25%25%

SOL A.9

A. (3,0) B. (0,–3) C. (–3,–3) D. (–3,3)

Page 10: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

Which system is represented by the graph?

SOL A.9

25%

25%

25%

25%

A. y = –x + 6, –2x + y = 4 B. 6x + y = 6, 3x – y = 2 C. 3x – y = 2, y = x + 6 D. x + y = 6, 3x – y = 2

Page 11: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

Mrs. Crews bought 4 pencils and 3 pens for $5.60. Mis Houston bought 2 pencils and 3 pens of the same kind for $4.60. What was the price of each pencil and each pen?

$1.70 perpencil, $0.20

per pen

$0.50 perpencil, $1.20

per pen

$0.17 perpencil, $1.64

per pen

$0.80 perpencil, $0.80

per pen

25% 25%25%25%

SOL A.9

A. $1.70 per pencil, $0.20 per penB. $0.50 per pencil, $1.20 per pen C. $0.17 per pencil, $1.64 per penD. $0.80 per pencil, $0.80 per pen

Page 12: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

Kristy is making a rectangular quilt that is 2 feet longer than it is wide. If the perimeter of the quilt is to be 32 feet, what will be its dimensions?

4 feet b

y 8 feet

5 feet b

y 7 feet

7 feet b

y 9 feet

15 feet b

y 17 feet

25% 25%25%25%

SOL A.9

A. 4 feet by 8 feet B. 5 feet by 7 feetC. 7 feet by 9 feetD. 15 feet by 17 feet

Page 13: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

A rectangle has a perimeter of 68 inches. Its length is 2 inches less than 3 times its width. What are the length and width of the rectangle?

22-inch

es and 12-in

ches

25-inch

es and 9-in

ches

28-inch

es and 10-in

ches

22-inch

es and 8-in

ches

25% 25%25%25%

SOL A.9

A. 22-inches and 12-inchesB. 25-inches and 9-inchesC. 28-inches and 10-inchesD. 22-inches and 8-inches

Page 14: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

The Arcadia Theater charges $4 for adult tickets and $3 for student tickets. Mr. Steele purchased 9 tickets (some student and some adult) for $31. Which system of equations could be used to find a, the number of adult tickets, and s, the number of student tickets Mr. Steele purchased?

a + s = 31, 4

a +3s = 9

4a +3s =31, a

+ s = 9

3a + 4s = 31, a

+ s =9

3a + 4s = 9, a

+ s = 31

25% 25%25%25%

SOL A.9

A. a + s = 31, 4a +3s = 9B. 4a +3s =31, a + s = 9C. 3a + 4s = 31, a + s =9D. 3a + 4s = 9, a + s = 31

Page 15: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

Which set of ordered pairs is not a function?

{(3,0), (

2,0), (1,0), (

0,0)}

{(1,1), (

2,2), (3,3), (

4,4)}

{(1,2), (

2,1), (3,4), (

4,3)}

{(0,1), (

1,0), (0,2), (

2,0)}

25% 25%25%25%

SOL A.5

A. {(3,0), (2,0), (1,0), (0,0)}B. {(1,1), (2,2), (3,3), (4,4)}C. {(1,2), (2,1), (3,4), (4,3)}D. {(0,1), (1,0), (0,2), (2,0)}

Page 16: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

Given that is in Quadrant II, name the signs of and respectively

Positive

, Positi

ve

Positive

, Nega

tive

Negative, N

egative

Negative, P

ositive

25% 25%25%25%

SOL A.5

A. Positive, PositiveB. Positive, NegativeC. Negative, NegativeD. Negative, Positive

Page 17: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

Which of the following has a slope of 3?

x + 3y =

1

y = –3x + 5

y = x + 3

–3x + y = 1

2

25% 25%25%25%

SOL A.7

A. x + 3y = 1B. y = –3x + 5 C. y = x + 3D. –3x + y = 12

Page 18: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

Which property is displayed by the following: 4 + (–4) = 0

Additive

Identity

Additive

Inverse

Symmetri

c

Dist

ributive

25% 25%25%25%

SOL A.3

A. Additive IdentityB. Additive InverseC. SymmetricD. Distributive

Page 19: Kristina Anderson March 26, 2009 *Some questions have been taken from released SOL tests.

Fastest Responders (in seconds)0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5