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1. |
Simplify (4x)(-2y). |
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A. |
-8xy |
B. |
-8x - 8y |
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C. |
-8 + xy |
D. |
2xy |
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Hint |
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2. |
If h(z) = 2z2 - 5z + 7, find h(3c). |
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A. |
c + 7 |
B. |
18c2 - 15c + 7 |
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C. |
18c2 - 3c + 7 |
D. |
9c2 - 15c + 7 |
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Hint |
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3. |
Choose the graph of the solution to the inequality
4(x + 3) < 3x + 10. |
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A. |
 |
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B. |
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C. |
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D. |
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Hint |
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4. |
Use substitution to solve the system of equations.
5x + 5y = -30
2x - y = 15 |
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A. |
(3, -9) |
B. |
no solution |
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C. |
(21, 27) |
D. |
infinitely many solutions |
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Hint |
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5. |
Simplify (4x2y) (2xy2z3)3. |
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A. |
32x5y7z9 |
B. |
8x5y7z9 |
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C. |
24x5y7z9 |
D. |
32x6y6z9 |
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Hint |
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6. |
Factor 20a4b2 - 15ab + 30a2b |
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A. |
5(4a4b2 - 3ab + 10a2b) |
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B. |
5a2b(15a2b - 10 + 25a) |
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C. |
a2b(20a2b - 15 + 30a) |
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D. |
5ab(4a3b - 3 + 6a) |
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Hint |
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7. |
Use the quadratic formula to solve x2 + 4x + 5 = 0. |
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A. |
-1, -4 |
B. |
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C. |
5 |
D. |
-1 |
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Hint |
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8. |
Write an algebraic expression for the verbal expression. the sum of 4 and one half of the number x |
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A. |
4 -  x |
B. |
4 - ÷ x |
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C. |
4 + x |
D. |
4 + ÷ x |
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Hint |
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9. |
Identify the coordinates of point A. |
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A. |
(6, 4) |
B. |
(1, 2) |
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C. |
(2, 1) |
D. |
(5, 2) |
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Hint |
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10. |
A bag contains 10 blue marbles, 7 white marbles, 6 red marbles, and 2 green marbles. What is the probability of randomly selecting a blue marble? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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11. |
Determine the coordinates of the x-intercept of 3x – 4y = 24. |
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A. |
(0, 8) |
B. |
(8, 0) |
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C. |
(0, -6) |
D. |
(-6, 0) |
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Hint |
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12. |
Which equation describes the line that contains the points (-1, -8) and (-9, -21)? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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13. |
Write the slope-intercept form of an equation for the line that passes through (-8, -1) and is parallel to the graph of  |
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A. |
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B. |
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C. |
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D. |
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Hint |
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14. |
Solve –4 < -5x – 9 < 11. |
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A. |
{x| -4 < x < 1} |
B. |
{x| -4 < x < -1} |
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C. |
{x| -1 < x < 1} |
D. |
{x| -1 < x < 4} |
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Hint |
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15. |
Graph x – y < 5. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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16. |
Factor x2 – 7x + 12. |
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A. |
(x – 6)(x – 2) |
B. |
(x + 3)(x + 4) |
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C. |
(x + 6)(x + 2) |
D. |
(x – 3)(x – 4) |
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Hint |
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17. |
What are the next three terms of the geometric sequence 4, 10, 25,…? |
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A. |
100, 400, 1600 |
B. |
62.5, 312.5, 1562.5 |
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C. |
62.5, 156.25, 390.625 |
D. |
100, 250, 1000 |
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Hint |
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18. |
Which of the following is not a necessary condition of all right triangles? |
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A. |
a < b |
B. |
The largest angle is 90°. |
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C. |
The square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the legs. |
D. |
a2 + b2 = c2, where c is the length of the hypotenuse, and a and b are the lengths of the legs. |
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Hint |
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19. |
Find the value of a if the distance between (4, 3) and (–1, a) is 13 units. |
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A. |
a = 15 or –9 |
B. |
a = –15 only |
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C. |
a = 15 only |
D. |
a = –15 or 9 |
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Hint |
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20. |
Suppose a man that is 6 feet tall is standing near a street light that is 10 feet high. If the shadow that is cast extends 20 feet away from the light, how far away from the light is the man? |
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A. |
6 feet |
B. |
12 feet |
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C. |
14 feet |
D. |
8 feet |
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Hint |
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