Question

Derive the equation of the parabola with a focus at (-2, 4) and a directrix of y = 6. Put the equation in standard form.
@Vickiesweet

Answer 1

I think its B.

Answer 2

f(x) = one fourthx2 - x + 4

f(x) = -one fourthx2 - x + 4

f(x) = one fourthx2 - x + 5

f(x) = -one fourthx2 - x + 5

Answer 3

the vertex is at (-2,5)

\[y=-{1\over4(1)}\left( x+2 \right)^2+5\]

Answer 4

i think you are correct