Derive the equation of the parabola with a focus at (-5, - 5) and a directrix of y = 7.

A. f (x) = - one twenty-fourth (x - 1) 2 - 5

B. f (x) = one twenty-fourth (x - 1) 2 - 5

C. f (x) = - one twenty-fourth (x + 5) 2 + 1

D. f (x) = one twenty-fourth (x + 5) 2 + 1

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21 November, 14:25

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Grant · Answer 1

C. f (x) = - one twenty-fourth (x + 5) 2 + 1

Derive the equation of the parabola with a focus at (-5, - 5) and a directrix of y = 7.A. f (x) = - one twenty-fourth (x - 1) 2 - 5B. f (x) = one twenty-fourth (x - 1) 2 - 5C. f (x) = - one twenty-fourth (x + 5) 2 + 1D. f (x) = one twenty-fourth (x + 5) 2 + 1