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1. |
Name the property illustrated by (3c · 6)2 = 3c(6 · 2). |
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A. |
associative property of multiplication |
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B. |
associative property of addition |
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C. |
commutative property of addition |
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D. |
commutative property of multiplication |
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Hint |
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2. |
Evaluate |-6p| if p = 2. |
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A. |
0 |
B. |
3 |
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C. |
-12 |
D. |
12 |
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Hint |
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3. |
Choose the graph of 3y - 2x > 6. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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4. |
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. |
1980 |
B. |
1990 |
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C. |
1995 |
D. |
1985 |
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Hint |
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5. |
For the determinant  , which is the minor of -4? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Find the value of a so that the distance between points with coordinates (2, 5) and (-6, a) is 10 units. |
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A. |
 or 11 |
B. |
1 only |
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C. |
1 or 11 |
D. |
11 only |
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Hint |
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7. |
Find the coordinates of the center of a circle with equation
x2 + y2 - 2x + 8y + 13 = 0. |
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A. |
(1, -4) |
B. |
(-1, -4) |
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C. |
(-1, 4) |
D. |
(1, 4) |
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Hint |
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8. |
Find the length of the minor axis of an ellipse with equation
5x2 + 3y2 + 10x - 18y + 17 = 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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9. |
Solve 2x2 - 4x + 3 = 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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10. |
Find the axis of symmetry of the graph of f(x) = 4x2 -4x + 4. |
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A. |
x =  |
B. |
y = 3 |
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C. |
x = 2 |
D. |
x = 4 |
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Hint |
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11. |
Find f(-2) for f(x) = 2x4 - x3 + 5x + 1. |
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A. |
-29 |
B. |
31 |
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C. |
-57 |
D. |
-21 |
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Hint |
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12. |
Suppose p varies jointly as r and t. If p = 1 when r = -5 and t = 2, find t when p = 6 and r = 12. |
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A. |
-5.4 |
B. |
-5 |
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C. |
-6.4 |
D. |
-7.2 |
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Hint |
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13. |
Multiply  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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14. |
The Waxmans just opened a carpet store. Their startup costs were $5000, and their cost of carpet is $8 per square yard. How many square yards of carpet do they need to sell in order to break even if they sell the carpet for $18 per square yard? |
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A. |
192 square yards |
B. |
50 square yards |
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C. |
500 square yards |
D. |
278 square yards |
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Hint |
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15. |
State whether the product of A3 × 4 and B3 × 4 is defined, and if it is defined, state the dimensions. |
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A. |
defined, 9 × 16 |
B. |
undefined |
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C. |
defined, 3 × 4 |
D. |
defined, 4 × 3 |
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Hint |
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16. |
Solve  |
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A. |
1, 11.31 |
B. |
 |
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C. |
1, 1.22 |
D. |
 |
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Hint |
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17. |
Find all of the roots of the equation  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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18. |
What is the LCM of  and  . |
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A. |
r(r – 1)2(r + 3)(r + 9) |
B. |
(r – 1)(r + 3)(r + 9) |
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C. |
r(r – 1)(r + 3)(r + 9) |
D. |
(r – 1)2(r + 3)(r + 9) |
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Hint |
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19. |
What type of function is  ? |
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A. |
inverse variation function |
B. |
direct variation function |
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C. |
absolute value function |
D. |
square root function |
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Hint |
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20. |
Solve  . |
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A. |
0 < x <  |
B. |
x > |
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C. |
x < |
D. |
– < x < |
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Hint |
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