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1. |
Solve 2(y - 9) < 6. |
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A. |
{y | y < 6} |
B. |
{y | y > 12} |
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C. |
{y | y < 12} |
D. |
{y | y > -6} |
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Hint |
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2. |
Choose the relation that is a function. |
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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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3. |
The equations y = -0.38x + 56.6 and y = 0.38x + 43.4 represent the percent of men and women, respectively, receiving bachelor's degrees, where x is the number of years since 1968. In approximately what year did the same percent of men and women receive bachelor's degrees? |
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A. |
1990 |
B. |
1980 |
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C. |
1995 |
D. |
1985 |
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Hint |
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4. |
Solve [3x 8y] = [-12 1] for x and y. |
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A. |
x = -4
y = 8 |
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B. |
x = 4
y = 1 |
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C. |
x = -12
y = 1 |
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D. |
x = -4
y =  |
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Hint |
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5. |
Find the dimensions of A6 × 3 · B3 × 1. |
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A. |
3 × 1 |
B. |
6 × 1 |
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C. |
3 × 3 |
D. |
6 × 3 |
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Hint |
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6. |
The product  gives the coordinates of two points on line AB that has been rotated 90° counterclockwise about the origin. Name the coordinates of A' and B'. |
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A. |
A'(-1, 1), B'(1, -3) |
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B. |
A'(-1, -3), B'(1, 1) |
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C. |
A'(1, -3), B'(1, 1) |
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D. |
A'(1, 1), B'(-1, -3) |
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Hint |
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7. |
What is the degree of 42x5y2z? |
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A. |
8 |
B. |
2 |
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C. |
7 |
D. |
5 |
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Hint |
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8. |
Simplify  |
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A. |
2k - j2k3 |
B. |
2k - j2k |
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C. |
2jk - j2k3 |
D. |
4k - j2k3 |
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Hint |
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9. |
Factor m3 - 4m2 + 6m - 24. |
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A. |
(m + 4)(m2 - 6) |
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B. |
m(m2 - 4m + 6) - 24 |
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C. |
(m - 4)(m2 + 6) |
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D. |
m2(m - 4) + 6m - 24 |
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Hint |
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10. |
Simplify (8 - 9i) + (3 + 4i). |
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A. |
17 + 7i |
B. |
-i + 17 |
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C. |
11 - 5i |
D. |
11 + 5i |
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Hint |
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11. |
Simplify  |
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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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12. |
Find the length of the minor axis of an ellipse with equation
5x2 + 3y2 + 10x - 18y + 17 = 0. |
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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. |
Solve m2 - 2m = 15 by factoring. |
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A. |
5 |
B. |
-3, 5 |
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C. |
-5, 3 |
D. |
3 |
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Hint |
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14. |
Find the coordinates of the foci of a hyperbola with equation  |
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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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15. |
Evaluate | 5 (a – 2b) + 3 | if a = -3 and b = 7. |
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A. |
85 |
B. |
88 |
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C. |
82 |
D. |
-85 |
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Hint |
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16. |
Solve  |
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A. |
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B. |
{y | y  21} |
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C. |
{y | y < 21} |
D. |
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Hint |
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17. |
Suppose a plant grows one inch every year. If x is how old the plant is (in years), and f (x) is how tall the plant is (in inches), what type of function is f (x)? |
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A. |
identity function |
B. |
constant function |
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C. |
absolute value function |
D. |
step function |
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Hint |
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18. |
Simplify  |
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A. |
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B. |
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C. |
t |
D. |
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Hint |
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19. |
Solve x2 + 2x+ 3 = 0 by completing the square. |
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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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20. |
Write an equation for the ellipse whose endpoints of its major axis are at (-3, 1) and (5, 1), and that of its minor axis are at (1, -1) and (1, 3). |
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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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