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1. |
If a rocket is fired from the ground with an initial velocity of 75 meters per second, then the height of the rocket after t seconds is h = 75t - 4.9t2. Find the height of the rocket after 3 seconds. |
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A. |
180.9 meters |
B. |
221.6 meters |
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C. |
252.5 meters |
D. |
130.4 meters |
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Hint |
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2. |
The greatest power in a quadratic function is ______. |
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A. |
3 |
B. |
4 |
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C. |
2 |
D. |
1 |
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Hint |
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3. |
Which coordinates would complete the function table for y = 2x2 – 1? |
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A. |
(-2, 7), (-1, 0), (0, -1), (1, 0), (2, 7) |
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B. |
(-2, 9), (-1, 1), (0, -1), (1, 1), (2, 9) |
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C. |
(-2, 9), (-1, -5), (0, -1), (1, -5), (2, 9) |
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D. |
(-2, 7), (-1, 1), (0, -1), (1, 1), (2, 7) |
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Hint |
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4. |
Find the graph of y = 2x2. |
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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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5. |
Find the equation that represents the graph. |
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A. |
y = -x2 + 2 |
B. |
y = -x2 + 4 |
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C. |
y = x2 - 4 |
D. |
y = -x2 - 4 |
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Hint |
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