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1. |
Simplify . |
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A. |
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B. |
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C. |
z + 4 |
D. |
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Hint |
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2. |
Find . |
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A. |
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B. |
2 |
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C. |
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D. |
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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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4. |
Find the quotient . |
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A. |
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B. |
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C. |
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D. |
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5. |
Express in simplest form. |
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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. |
Find an expression for the perimeter of the rectangle. |
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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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7. |
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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8. |
Solve . |
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A. |
7 or 2 |
B. |
-7 or 2 |
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C. |
-7 |
D. |
7 |
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Hint |
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9. |
When Hipolito drives to Cleveland, he always arrives at exactly 5 o'clock. Therefore, if he leaves for Cleveland at 1:00, he can average 60 miles per hour. What time should he leave if he wants to average 75 miles per hour? |
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A. |
1:40 |
B. |
3:12 |
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C. |
3:20 |
D. |
1:48 |
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Hint |
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10. |
If x varies inversely as y and the constant of variation is 24, what are x and y if it is true that x + y = 11? |
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A. |
6 and 4 |
B. |
–3 and –8 |
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C. |
–6 and –4 |
D. |
3 and 8 |
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Hint |
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11. |
State the excluded value(s) of . |
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A. |
5, –5, 2, 3 |
B. |
2, 3 |
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C. |
5, –5 |
D. |
5 |
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Hint |
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12. |
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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13. |
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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14. |
A builder wants the kitchen to have an area of x2 – 2x – 24, and a length of x + 4. What is the width? |
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A. |
– 6 |
B. |
x + 6 |
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C. |
x – 6 |
D. |
6 |
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Hint |
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15. |
Which of the following is not one of the steps for adding rational expressions with unlike denominators? |
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A. |
Add the unlike denominators together. |
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B. |
Find the LCD. |
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C. |
Add just as with rational expressions with like denominators. |
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D. |
Change each rational expression into an equivalent expression with the LCD as the denominator. |
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Hint |
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16. |
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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17. |
Cynthia has earned 81 total points on quizzes, and she has averaged a on them. How many quizzes has she taken? |
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A. |
6 |
B. |
5 |
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C. |
7 |
D. |
3 |
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Hint |
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18. |
Suppose one runner can run 8 laps in 12 minutes, and another runner can run 8 laps in 10 minutes. If they start at the same time, after how many laps by the fast runner will he lap the slow runner? |
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A. |
after 5 laps |
B. |
after 8 laps |
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C. |
after 7.5 laps |
D. |
after 6 laps |
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Hint |
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