Question

Is this correct? Find the standard form of the equation of the parabola with a focus at (-4, 0) and a directrix at x = 4.

y= -1/16 x^2

Answer 1

The directrix is vertical, so the equation will have y^2 and not x^2 in it

Answer 2

so y= -1/16 x^2 @jim_thompson5910

Answer 3

the equation will have y^2 and not x^2 in it

Answer 4

oh my bad I have no idea how I put the same answer lol. I meant x= -1/16 y^2

Answer 5

let me check

Answer 6

good, geogebra confirms it

Answer 7

thnx

Answer 8

np