Question

MEDAL IF HELPED

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

Answer 1

http://mathhelpboards.com/questions-other-sites-52/abs-question-yahoo-answers-regarding-finding-parabola-given-focus-directrix-7510.html

Answer 2

how did you find that?

Answer 3

google :P