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1. |
Name the multiplicative inverse of 5. |
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A. |
50 |
B. |
-5 |
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C. |
0.2 |
D. |
20 |
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Hint |
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2. |
State an absolute value inequality for ''all numbers less than or equal to 8, and greater than or equal to -8.'' |
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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. |
A baker earns 15¢ profit per glazed doughnut g, and 40¢ profit per jelly doughnut j. If a customer wants to buy no more than a dozen doughnuts and wants to try at least one of each kind, what is the maximum profit the baker can earn? |
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A. |
$4.55 |
B. |
$1.80 |
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C. |
$4.80 |
D. |
$3.30 |
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Hint |
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4. |
Simplify (q2 - 4q + 24) ÷ (q + 2) |
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A. |
 |
B. |
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C. |
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D. |
q + 6 + 36 |
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Hint |
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5. |
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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6. |
Solve  |
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A. |
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B. |
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C. |
no solution |
D. |
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Hint |
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7. |
Stan the Hot Dog Man sells 100 hot dogs per day for $2 each, so his daily revenue is $200. He estimates that for every 25 cents he increases the price of a hot dog, he will sell 5 fewer. What range of prices can he charge so that his daily revenue is at least $225? |
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A. |
$2.25-$2.50 |
B. |
$2.00-$4.00 |
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C. |
$2.50-$4.50 |
D. |
$3.00-$4.50 |
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Hint |
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8. |
When x3 - 4x2 + x - 5 is divided by x - 2, the quotient is _____. |
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A. |
x2 - 2x - 3 |
B. |
-11 |
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C. |
x2 - x + 25 |
D. |
x - 2 |
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Hint |
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9. |
Simplify  . |
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A. |
n |
B. |
n + 1 |
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C. |
n + 1 |
D. |
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Hint |
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10. |
Solve the equation 3y + 8 = 36. |
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A. |
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B. |
20 |
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C. |
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D. |
4 |
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Hint |
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11. |
Solve the inequality | 5x + 2 |  12. |
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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. |
Which of the following is not a vertex of the figure formed by  |
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A. |
(6, 4) |
B. |
(0, 2) |
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C. |
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D. |
(2, –1) |
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Hint |
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13. |
Solve the system –2x – 4y = 7, 3x + 5y = 9. |
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A. |
(71, –39) |
B. |
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C. |
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D. |
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Hint |
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14. |
Which of the following is an inverse of f(x) = 3x - 4? |
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A. |
3x + 4 |
B. |
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C. |
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D. |
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Hint |
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15. |
Is the inverse of a quadratic function a square root function? |
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A. |
It is a square root function only if the range is restricted to nonnegative numbers. |
B. |
It is a square root function only if it is a quadratic function that opens up. |
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C. |
No. |
D. |
Yes. |
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Hint |
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16. |
Which point is the closest to (-2, 1)? |
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A. |
(-5, 2) |
B. |
(-4, -1) |
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C. |
(-2, 5) |
D. |
(-1, 4) |
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Hint |
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17. |
What are the equations of the asymptotes of  ? |
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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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18. |
Solve log 5 (5x – 2) > log 5 (2x + 10). |
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A. |
x > 625 |
B. |
x > 4 |
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C. |
x < 4 |
D. |
0 < x < 4 |
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Hint |
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19. |
Suppose a new car loses value at 10% per year for the first 5 years. When should the owner sell it if they want to receive 75% of what they paid for it? |
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A. |
after 2.5 years |
B. |
after 2 years |
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C. |
after 3 years |
D. |
after 2.73 years |
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Hint |
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20. |
Martha goes to the dentist and finds out that she has five cavities. If she has 16 upper teeth and 16 lower teeth, what is the probability that all five cavities are on the upper teeth? |
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A. |
0.22 |
B. |
0.11 |
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C. |
0.022 |
D. |
0.011 |
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Hint |
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