Question

What is the focus of 64y-4x^2?

Answer 1

There is no focus. You have presented an algebraic expression. You will need an actual equation in order to identify a conic section and subsequently identify it's focus.

Answer 2

Oops my mistake *** The actual equation is 64y = 4x^2

Answer 3

That's better. You should have a "Standard Form" for a parabola. What is it? Usually, (y-k) = 4p(x-k)^2 -- or something like that.

Answer 4

(y-k)2=4p(x-h)

Answer 5

Whoops! Of course, I meant the Vertex Form. Do you have that?

Answer 6

y = a(x – h) 2 + k ?

Answer 7

That's it. What does "a" mean in this form?

Answer 8

Just solved it, but thanks!

Answer 9

You're not going to share?

Answer 10

The answer was actually (0,4) :)