Write the equation of a parabola with the focus at (3,0) and the directrix at x=-3

Question

Mathematics

Callum Ball

18 February, 11:23

Write the equation of a parabola with the focus at (3,0) and the directrix at x=-3

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Answers (2)

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Zayne Walters · Answer 1

With a focus coordinate of a positive x and y = 0 this parabola opens towards the right.

the general form is y^2 = 4 ax where (a, 0) is the focus) Here a = o

so the rquired equation is y^2 = 12x

Clare Montoya · Answer 2

Clare Montoya 18 February, 14:58

0

-12x=y

y is squared good luck