I need some extra credit quiz done for my pre-algebra class!

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state_exam_practice_a.pdf

Practice Test A

1. Simplify:

12 � 3 � 2 � 2 � 10

A. �2

B. 180

C. 2

D. 160

2. Simplify:

144 � (6 � 3)2

A. �5

B. 48

C. 24

D. 16

3. | �10 | � | �3 | � | 7 | �

A. 0

B. 14

C. 20

D. �6

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4. Simplify:

10(2x � 1) � 3(5 � x)

A. 23x � 25

B. 17x � 5

C. 23x � 5

D. 17x � 5

5. Evaluate the given expression when x � �3:

2x2 � 3x � 1

A. 28

B. 8

C. 10

D. 4

6. Solve for x:

4(2x � 1) � 6 � 10 � (x � 3)

A.

B. 0

C. 1

D. 5 9

9 7

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7. Solve for x:

x � � 2x � 1

A. �

B. 41

C. �

D. �

8. Solve for A:

2A � 3B � 5

A. A �

B. A �

C. A � 5 � 3B

D. A �

9. Solve for x:

5x � 4 � 8x � 2

A. x � �2

B. x � 2

C. x � �2

D. x � 2 3

5 � 3B 2

15B 2

5 � 3B 2

9 21

16 21

20 21

2 3

1 4

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10. If twice a number is decreased by two, the result is 5 more than 8 times the number. Choose the equation that could be used to find this number, x.

A. 2(x � 2) � 5 � 8x

B. 2 � 2x � 8x � 5

C. x � 2 � 8x � 5

D. 2x � 2 � 5 � 8x

11. The width of a rectangle is three less than the length. If the perimeter of the rectangle is 30 yards, find the width.

A. 9 yards

B. 3 yards

C. 15 yards

D. 6 yards

12. Identify the proportion listed below that solves the problem:

On a map, 1 inch represents 6 miles. If you measure 2.5 inches between two cities on the map, how many miles separate them?

A. �

B. �

C. �

D. � x 6

1 2.5

2.5 x

6 1

2.5 x

1 6

1 2.5

x 6

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13. Simplify:

A. 16zy2

B.

C. 16y8z

D.

14. Simplify:

�x3y�2��4

A.

B.

C.

D. x7y6

15. Simplify:

A. x5y5

B.

C.

D. 1

x5y5

y5

x5

1 xy5

x�2y0

x3y5

x12

y8

1 xy6

y8

x12

16z y

16z y2

16y3z y5

28

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16. Convert to standard form:

3.05 � 10�3

A. 0.00305

B. 0.0305

C. 305,000

D. 3,050

17. Simplify: (6x2 � 2x � 5) � (3x2 � 2x � 2)

A. 3x2 � 3

B. 3x2 � 4x � 3

C. 3x2 � 4x � 7

D. 3x2 � 7

18. Simplify: 3xy(5x � 2y)

A. 15x2y � 6xy2

B. 15xy � 6xy2

C. 9x2y2

D. 15x2y2 � 6xy2

29

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19. Simplify:

(3x � 2)(x � 4)

A. 3x2 � 2x � 4

B. 3x2 � 14x � 8

C. 3x2 � 10x � 8

D. 3x2 � 10x � 8

20. Factor completely:

25x2y � 40xy3

A. 5(5x2y � 8xy3)

B. 5xy(5x � 8y2)

C. (5x � 2y)(5x � 20y)

D. xy(25x � 40y2)

21. Factor completely:

16x2 � y2

A. (4x � y)(4x � y)

B. (8x � y)(2x � y)

C. (4x � y)2

D. (8x � y)(2x � y)

30

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22. Factor completely:

x2 � 2xy � 3x � 6y

A. (x � 2y)(x � 3)

B. (x � 2y)(x � 3)

C. (x � 2y)(x � 3)

D. (x � 3)(x � 2y)

23. Identify a factor of the trinomial below:

2x2 � 3x � 5

A. x � 1

B. 2x � 5

C. x � 5

D. 2x � 5

24. Simplify:

A.

B.

C.

D. x � 2 x � 3

x � 2 x � 2

x � 2 x � 3

�4 x � 6

x2 � 4 x2 � x � 6

31

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25. Solve:

2x2 � 5x � 3 � 0

A. x � , x � �1

B. x � � , x � 3

C. x � �3 , x � 1

D. x � , x � �3

26. Solve:

x2 � 8x � 12 � 0

A. x � �6 , x � 2

B. x � 4 , x � 3

C. x � 6 , x � 2

D. x � �4 , x � �3

27. Assuming x represents a non-negative number, simplify completely:

A. 3x2

B. 2x2

C. 3x

D. 2x �3x

�2x

�3

�2

�12x4

1 2

1 2

3 2

32

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28. Simplify completely:

A.

B.

C.

D.

29. Find the y - intercept for

x � 2y � 5

A. (0, 5)

B. �0, � C. (0, �5)

D. �0, � �52

1 2

13�3

5�3

6�3

�39

�12�27

33

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30. Find the graph that best matches the given linear equation:

y � �2x � 1

A. C.

B. D. y

x

y

x

y

x

y

x

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Practice Test A Answers:

1. A 2. D 3. B 4. D 5. A 6. C 7. A 8. D

9. A 10. D 11. D 12. B 13. B 14. A 15. D 16. A

17. C 18. A 19. D 20. B 21. A 22. C 23. D 24. D

25. B 26. C 27. B 28. C 29. D 30. A

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