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1. |
The volume of the cube is 512 cubic centimeters. What is the length of one side? |
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A. |
256 cm |
B. |
170 cm |
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C. |
23 cm |
D. |
8 cm |
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Hint |
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2. |
Find the value of cos 62° to the nearest ten-thousandth. |
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A. |
0.8988 |
B. |
0.4695 |
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C. |
1.8807 |
D. |
0.8829 |
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Hint |
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3. |
Find the value of x. Round to the nearest tenth. |
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A. |
20.3 |
B. |
2.1 |
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C. |
78.8 |
D. |
131.6 |
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Hint |
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4. |
Find the value of j rounded to the nearest tenth. |
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A. |
197.1 |
B. |
13.2 |
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C. |
49.3 |
D. |
663.4 |
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Hint |
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5. |
Find the exact value of sin  , cos , and tan if the terminal side of in standard position contains the point (5, 12). |
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A. |
sin  , cos  , tan  |
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B. |
sin , cos , tan |
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C. |
sin , cos , tan |
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D. |
sin , cos , tan |
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Hint |
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6. |
Write the equation of the sine function if the amplitude is 5 and the period is 360°. |
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A. |
y = -5 sin 5 |
B. |
y = sin 5 |
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C. |
y = - sin 5 |
D. |
y = 5 sin |
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Hint |
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7. |
In baseball, a pop fly should be easily caught if it stays in the air for 7 seconds. Suppose a ball that is hit can be represented by the function y = –16t2 + 125t + 5, where y is the height after t seconds. Will the ball be considered an easy catch? |
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A. |
yes, because t < 7 |
B. |
no, because t > 7 |
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C. |
yes, because t > 7 |
D. |
no, because t < 7 |
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Hint |
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8. |
What is the reference angle of 240°? |
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A. |
–120° |
B. |
–60° |
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C. |
120° |
D. |
60° |
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Hint |
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9. |
Find sin 450° by drawing a reference angle. |
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A. |
 |
B. |
 |
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C. |
1 |
D. |
 |
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Hint |
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10. |
What is the length of one complete cycle of a function called? |
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A. |
period |
B. |
frequency |
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C. |
reference angle |
D. |
amplitude |
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Hint |
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