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