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Directions: Read carefully and choose the best answer.
1. |
Simplify:
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2. |
The altitude of a soaring glider changed -420 feet in 10 minutes. What was the mean change of altitude in feet per minute?
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3. |
To which of the following questions could the answer be zero?
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4. |
The number line shown below indicates the location of point A.
If the distance between point B and point A is 3½ units, which number could represent the location of point B?
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5. |
Simplify:
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6. |
Which expressions are equivalent to ?
(Check all that apply!) |
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7. |
Which situation could use the quotient of -36 ÷ 4 to answer the question?
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8. |
Simplify:
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9. |
Which expressions have positive products?
(Check all that apply!) |
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10. |
A number, n, is multiplied by .
If this product is -0.25, what is the value of n?
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11. |
Find the value of:
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12. |
Which expressions are equivalent to -5 - (1.25 + 4.5)?
(Check all that apply!) |
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13. |
Find:
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14. |
Find:
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15. |
Which expression is equivalent to 5 - (- 4)?
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16. |
A seagull flying feet above the surface of a pond spots a fish feet below the surface of the pond. What is the distance, in feet, between the seagull and the fish?
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17. |
Simplify: -4(3n - 1) - 4n
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18. |
Simplify:
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19. |
Nicole had $10 in her checking account. She wrote a check for $54.00. The bank charged her a fee of $15.95 for being overdrawn. What was the new status of her account after these occurrences?
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20. |
A proton has a charge of positive one. An electron has a charge of negative one. What is the total charge of an ion with 42 protons and 38 electrons?
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