Question

Algerbra II HELP!

Derive the equation of the parabola with a focus at (0, –4) and a directrix of y = 4.

Answer 1

@ganeshie8 help?

Answer 2

@Haseeb96 @TheSmartOne help? will medal and fan..

Answer 3

of focus=(0,-a) and
directrix of y = a

Answer 4

should look like this

Answer 5

this is of the form\[x^2=-4ay\]

Answer 6

So the line is the directix, where is the foci?