Question

Derive the equation of the parabola with a focus at (4, −7) and a directrix of y = −15. Put the equation in standard form.

f(x) = one sixteenthx2 − 8x + 11

f(x) = one sixteenthx2 − 8x − 10

f(x) = one sixteenthx2 − one halfx + 11

f(x) = one sixteenthx2 − one halfx − 10

Answer 1

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Answer 2

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Answer 3

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Answer 4

????

Answer 5

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Answer 6

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