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1. |
Write an algebraic expression to represent ''the sum of 6 and three times a number squared.'' |
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A. |
6(3x)2 |
B. |
6 + 3x2 |
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C. |
6 + 3x |
D. |
6(3x) |
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Hint |
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2. |
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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3. |
Find the y-intercept of the graph of 2x - 5y = 10. |
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A. |
-2 |
B. |
0 |
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C. |
2 |
D. |
5 |
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Hint |
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4. |
Express 0.091 in scientific notation. |
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A. |
9.1 × 10-1 |
B. |
9.1 × 10-2 |
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C. |
9.1 × 102 |
D. |
9.1 × 101 |
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Hint |
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5. |
Find (3a - 1)(5a + 6). |
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A. |
15a2 - 5a - 6 |
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B. |
15a + 13a -6 |
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C. |
15a2 + 13a - 6 |
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D. |
15a2 + 13a + 6 |
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Hint |
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6. |
Simplify (8 - 9i) + (3 + 4i). |
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A. |
11 - 5i |
B. |
-i + 17 |
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C. |
11 + 5i |
D. |
17 + 7i |
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Hint |
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7. |
What is the distance between points with coordinates (1.32, 0.27) and (1.07, -0.33). |
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A. |
0.81 unit |
B. |
1.02 units |
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C. |
0.65 unit |
D. |
0.39 unit |
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Hint |
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8. |
The roots of x2 + 4x + 7 are________. |
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A. |
real and irrational |
B. |
real and imaginary |
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C. |
imaginary |
D. |
real and rational |
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Hint |
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9. |
Manufacturing A company sells one of its products in boxes that are twice as long as they are wide, and 2 inches higher than they are long. Find the dimensions of such a box if the volume is 320 cubic inches. |
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A. |
4 in. by 8 in. by 20 in. |
B. |
6 in. by 12 in. by 14 in. |
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C. |
4 in. by 8 in. by 6 in. |
D. |
4 in. by 8 in. by 10 in. |
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Hint |
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10. |
Which is the graph of a function and its inverse? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
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 |
B. |
-5.4 |
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C. |
-7.2 |
D. |
-6.4 |
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Hint |
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12. |
Simplify  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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13. |
If  and  , find the approximate value of log2 15. |
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A. |
3.6802 |
B. |
1.4649 |
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C. |
3.9069 |
D. |
0.7369 |
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Hint |
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14. |
Solve log5 ( x + 2) + log5 ( 2x - 1) = 2. |
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A. |
 , 3 |
B. |
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C. |
no solution |
D. |
3 |
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Hint |
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15. |
What is the slope of a constant function? |
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A. |
0 |
B. |
-1 |
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C. |
1 |
D. |
c, where f (x) = c |
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Hint |
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16. |
Which point is not in the solution set of  |
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A. |
(9, –1) |
B. |
(14, –3) |
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C. |
(6, 1) |
D. |
(1, –1) |
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Hint |
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17. |
Find the product 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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18. |
A Mickey Mantle rookie card appreciates in value 2% every year. How much was it worth in 1990 if it is worth $35,000 in 2000? |
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A. |
$28, 712 |
B. |
$42,665 |
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C. |
$5653 |
D. |
$216,711 |
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Hint |
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19. |
What is the equation of an arithmetic sequence in which a1 = 3 and d = 6? |
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A. |
an = 6 + 3n |
B. |
an = 3 + 3n |
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C. |
an = –3 + 6n |
D. |
an = 3 + 6n |
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Hint |
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20. |
Suppose a mathematician has a  probability of answering any math question correctly. What is the probability that he answers at least 2 out of 5 questions correctly? |
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A. |
0.0081 |
B. |
0.99954 |
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C. |
0.00856 |
D. |
0.00046 |
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Hint |
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