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1. |
What is the difference between the highest and the lowest values? |
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A. |
84 |
B. |
80 |
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C. |
100 |
D. |
75 |
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Hint |
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2. |
Name the set of numbers that is graphed below. |
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A. |
{-6, -3, 0, 2, 4} |
B. |
{-6, -3, 2, 4} |
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C. |
{all integers} |
D. |
{-3, 2, 4} |
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Hint |
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3. |
Simplify (4x)(-2y). |
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A. |
-8 + xy |
B. |
-8xy |
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C. |
-8x - 8y |
D. |
2xy |
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Hint |
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4. |
Write  in simplest form. |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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5. |
Evaluate  when x = 15 and y = 15. |
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A. |
15 |
B. |
225 |
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C. |
-15 |
D. |
-225 |
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Hint |
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6. |
Solve the equation 2x + y = 6 for y. |
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A. |
y = 2x + 6 |
B. |
y = -6 - 2x |
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C. |
y = -2x + 6 |
D. |
y = 2x - 6 |
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Hint |
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7. |
A person biking uphill travels 15 miles in 1hour.
The same person biking downhill travels 15 miles
in  hour. Find this person's average speed. |
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A. |
20 mph |
B. |
30 mph |
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C. |
15 mph |
D. |
22.5 mph |
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Hint |
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8. |
Write the point-slope form of an equation of the line that passes through (4, -3) and (2, 1). |
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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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9. |
The sum of three times a number and 12 is at least -3 and at most 15. Find the solution set for this number. |
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A. |
{x | -5 < x < 1} |
B. |
{x | -5 < x < 1} |
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C. |
{x | x < -5 or x > 1} |
D. |
{x | -5 < x < 1} |
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Hint |
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10. |
Use elimination to solve the system of equations.
-x + 2y = 18
x + 8y = -38 |
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A. |
(-5, -1) |
B. |
 |
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C. |
(-22, -2) |
D. |
 |
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Hint |
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11. |
Express 47.5 × 10-5 in scientific notation. |
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A. |
4.75 × 10-4 |
B. |
4.75 × 10-6 |
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C. |
475 × 10-6 |
D. |
0.475 × 10-3 |
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Hint |
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12. |
Factor -180x2y2 |
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A. |
-1 · 22 · 9 · 5 · x · x · y · y |
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B. |
22 · 32 · 5 · x · x · y · y |
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C. |
-1 · 22 · 32 · 5 · x · x · y · y |
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D. |
4 · 9 · 5 · x · x · y · y |
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Hint |
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13. |
Factor r4 – 81. |
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A. |
prime |
B. |
(r + 3)2(r + 3)2 |
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C. |
(r2 + 9)(r2 + 9) |
D. |
(r2 + 9)(r + 3)(r - 3) |
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Hint |
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14. |
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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15. |
Name the property demonstrated by 15 × 1 = 15. |
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A. |
Transitive Property |
B. |
Multiplicative Identity |
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C. |
Multiplicative Inverse |
D. |
Reflexive Property |
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Hint |
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16. |
Solve  |
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A. |
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B. |
y = -27 |
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C. |
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D. |
y = 27 |
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Hint |
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17. |
Write the inverse of the relation
{(-6, 1), (-3, 2), (0, 3), (3, 4), (6, 5)} |
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A. |
{(-1, 6), (-2, 3), (-3, 0), (-4, -3), (-5, -6)} |
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B. |
{(1, -6), (2, -3), (3, 0), (4, 3), (5, 6)} |
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C. |
{(-1, -6), (-2, -3), (-3, 0), (-4, -3), (-5, -6)} |
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D. |
{(6, -1), (3, -2), (0, -3), (-3, -4), -6, -5)} |
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Hint |
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18. |
Use the direct variation equation y = 22x to find x when y = 88. |
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A. |
 |
B. |
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C. |
x = 4 |
D. |
x = -4 |
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Hint |
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19. |
Use substitution to solve the system of equations given by y =  and 28x – 32y = -8. |
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A. |
(2, 2) |
B. |
(1, 1) |
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C. |
infinitely many solutions |
D. |
no solution |
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Hint |
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20. |
Solve –3x2 + 5x + 12 = 0. |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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