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1. |
When Kristin works 8 hours, she earns $60. When she works 20 hours, she earns $150. Write a linear equation that describes her earnings. Assume that the changes increase linearly. |
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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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2. |
What is the solution of the system of inequalities? 
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A. |
region 2 |
B. |
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C. |
region 1 |
D. |
region 3 |
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Hint |
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3. |
Find  |
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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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4. |
Simplify (18q3r)(2qr4). |
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A. |
36q3r4 |
B. |
36q4r5 |
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C. |
36qr |
D. |
36q3r5 |
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Hint |
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5. |
Solve  |
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A. |
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B. |
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C. |
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D. |
5 |
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Hint |
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6. |
Simplify (7 - 2i)(7 + 2i). |
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A. |
45 |
B. |
49 |
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C. |
33 |
D. |
53 |
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Hint |
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7. |
Find g[h(x)] if g(x) = x2 and h(x) = x + 3. |
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A. |
x2 + 6x + 9 |
B. |
x2 + x + 3 |
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C. |
x2 - x - 3 |
D. |
x3 + 3x2 |
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Hint |
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8. |
Simplify  |
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A. |
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B. |
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C. |
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D. |
1 |
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Hint |
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9. |
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A. |
–7 + (-8) + (-9) + (-10); -34 |
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B. |
7 + 8 + 9 + 10; 34 |
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C. |
7 – 8 + 9 – 10; -2 |
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D. |
–7 + 8 + (-9) + 10; 2 |
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Hint |
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10. |
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A. |
The sum does not exist. |
B. |
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C. |
28 |
D. |
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Hint |
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11. |
How many ways can seven books be arranged on a shelf if one of the books is an algebra text and it must be in the center? |
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A. |
720 |
B. |
120 |
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C. |
625 |
D. |
50 |
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Hint |
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12. |
When the equation  is written in standard form, what is the value of B? |
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A. |
-25 |
B. |
25 |
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C. |
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D. |
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Hint |
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13. |
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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14. |
The volume of a refrigerator is  . Its height is x + 2. What are the other two dimensions? |
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A. |
x – 3 and x + 2 |
B. |
x – 6 and x + 1 |
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C. |
x + 6 and x – 1 |
D. |
x – 2 and x + 3 |
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Hint |
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15. |
Which of the following is a zero of the polynomial  |
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A. |
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B. |
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C. |
6 |
D. |
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Hint |
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16. |
Which point is the closest to (-2, 1)? |
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A. |
(-4, -1) |
B. |
(-2, 5) |
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C. |
(-5, 2) |
D. |
(-1, 4) |
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Hint |
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17. |
What are the vertices and 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. |
7; 65 |
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Hint |
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18. |
Which of the following represents exponential decay? |
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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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19. |
Shrinivas deposited $1300 in an account which pays 8% annual interest, compounded continuously. How long will it take to reach $3500? |
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A. |
9.2 years |
B. |
1.2 years |
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C. |
12.4 years |
D. |
176 years |
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Hint |
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20. |
Cody and Earl started their first week with a garden of 20 tomatoes. Each week, they grew three times as many tomatoes as they had at their home. If they eat 10 tomatoes per week, how many tomatoes will be grown in the fifth week? |
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A. |
420 |
B. |
150 |
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C. |
1570 |
D. |
1620 |
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Hint |
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