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

There are two practice quizes each 30 ques BUT I HAVE ALL THE ANSWERS. I just need to show my work! Due by Monday April 23 latest 10:00am so you have 3 days and a half. Really easy work I just don’t have the time with my baby and work!

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Practice Test A

1. Simplify:

12 � 3 � 2 � 2 � 10

A.

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�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:

2×2 � 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 � 8

x

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.

x5

y5

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: (6×2 � 2x � 5) � (3×2 � 2x � 2)

A. 3×2 � 3

B. 3×2 � 4x � 3

C. 3×2 � 4x � 7

D. 3×2 � 7

18. Simplify: 3xy(5x � 2y)

A. 15x2y � 6xy2

B. 15xy � 6xy2

C. 9x2y2

D. 15x2y2 � 6xy2

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19. Simplify:

(3x � 2)(x � 4)

A. 3×2 � 2x � 4

B. 3×2 � 14x � 8

C. 3×2 � 10x � 8

D. 3×2 � 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:

16×2 � y2

A. (4x � y)(4x � y)

B. (8x � y)(2x � y)

C. (4x � y)2

D. (8x � y)(2x � y)

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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:

2×2 � 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

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25. Solve:

2×2 � 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. 3×2

B. 2×2

C. 3x

D. 2x �3x

�2x

�3
�2

�12×4

1
2

1
2

3
2

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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

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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

34

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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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36

Practice Test B

1. Simplify:

25 � 120 � 3 � 2 � 2

A. �135

B. �53

C. 7

D. �57

2. Simplify:

(12 � 8)2 � 4 � 20

A. �1

B. 0

C. �24

D. �16

3. � | �5 | � | 6 | � | 3 |

A.

�2

B. 4

C. �4

D. 8

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4. Simplify:

6[3x � 2(x � 1)]

A. 30x � 12

B. 18

x

C. 90x � 72

D. 30x � 2

5. Evaluate the given expression when a � �1, b � 3, c � �2:

8ab � 2c

A. 20

B. �15

C. �28

D. �20

6. Solve for x:

2[x � 3(x � 1)] � 4x � 3

A. 0

B. �

C. No solution

D.

3
8

9
8

37

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7. Solve for x:

3x � � x � 2

A. �31

B. �5

C. �

D. �

8. Solve for Y:

5X � 3Y � 7

A. Y �

B. Y � � X

C. Y �

D. Y �

9. Solve for x:

3(2x � 4) � 5x

A. x � 12

B. x � �12

C. x � �12

D. x �
12
11

7 � 5X
3

7 � 3X
5

2
3

5X � 7
3

9
16

15
16

1
3

1
2

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10. The square of a number, decreased by two, is 6 more than the number. Choose the equation that

could be used to find this number, x.

A. 2 � x2 � 6 � x

B. 2x � 2 � 6 � x

C. x2 � 2 � 6x

D. x2 � 2 � 6 � x

11. If a new CD player originally cost $250, what would be the price after a 30% discount?

A. $75.00

B. $175.00

C. $833.33

D. $150.00

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

You need 3 gallons of paint to cover 450 square feet of wall space. How many square feet could you
cover using only two gallons of paint?

A. �

B. �
C. �

D. �
450
2

n
3

2
n

3
450

n
450

3
2

n
2

3
450

39

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13. Simplify: (a3b4)3

A. a 6b7

B. a27b64

C. a9b12

D. a9b7

14. Simplify: (x2y�3)(xy)

A.

B.

C. x2

y2

D.

15. Simplify: (a3c�2d 0)�1

A.
B.

C.

D. a3

c2

a2

c3d

c2

a3d

c2

a3

x2

y3

x3

y2
x3
y3

40

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16. Convert to scientific notation:

0.000501

A. 5.01 � 10�3

B. 5.01 � 10�4

C. 5.01 � 10�5

D. 5.01 � 104

17. Simplify:

(4×2 � 2x � 1) � (6×2 � 2x � 3)

A. 10×2 � 4x � 2

B. 24×2 � 4x � 3

C. 10×2 � 4x � 2

D. 10×2 � 2

18. Simplify:

�2×2(3x � 2)

A. �6×3 � 4×2

B. �10×5

C. �6×3 � 4×2

D. �6×3 � 4

41

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19. Simplify:

(8a � b)(2a � b)

A. 16a2 � 6ab � b2

B. 16a2 � b2

C. 16a2 � 10ab � b2

D. 10a2 � 8ab � b2

20. Factor completely:

3×3 � 24×2�18x � 9

A. (3x � 8)(2x � 3)

B. 3(x3 � 8×2 � 6x � 3)

C. 3x(x2 � 8x � 6)

D. 2(3×3 � 12×2 � 9x � 9)

21. Factor completely:

49A2 � 16B2

A. (7A � 8B)(7A � 2B)

B. (7A � 4B)2

C. B(7A � 4)(7A � 4)

D. (7A � 4B)(7A � 4B)

42

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22. Factor completely:

x2 � ax � 2x � 2a

A. (x � a)(x � a)(x � 2)

B. x(a � 2)2

C. (x � a)(x � 2)

D. (x � 2a)(x � 1)

23. Identify a factor of the trinomial below:

8×2 � 14x�15

A. 4x � 3

B. 2x � 3

C. 4x � 5

D. x � 5

24. Simplify:

A.
B.
C.

D.

x � 1
x � 3

x � 3
x � 9

x � 1
x � 3

x � 1
2x � 3

x2 � 2x � 3
x2 � 6x � 9

43

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25. Solve:

2×2 � 7x � 4 � 0

A. x � �2, x � 2

B. x � �4, x �

C. x � 2, x �

D. x � 4, x � �

26. Solve: 2×2 � 23x � 30 � 0

A. x � 10, x �

B. x � , x � �30

C. x � 6, x � �5

D. x � �10, x � �

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

A. 4×2

B. 2×2

C. 2x

D. 8×3 �2×2

�x

�x
�x

�16×5

3
2
1
2
3
2
1
2

7
2

1
2

44

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28. Simplify completely:


A.
B. �

C. �7

D. 6 � 16

29. Find the x � intercept for

y � 3x � 1

A. (1, 0)

B. (�1, 0)

C. (3, 0)

D. �� , 0�13

�2�3

�2
�2

��14

�32�18

45

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

2x � y � 4

A. C.

B. D.

y

x

y

x

y
x

y
x

46

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Practice Test B Answers:

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

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

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

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

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  1. copyright:

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