# Math Help - Parabola

1. ## Parabola

Write an equation for a parabola with vertex(-2,4) and passing through
(-1,8)

It should be simple im just not getting it

2. $y = a(x-h)^2 + k$

vertex is at $(h,k) = (-2,4)$

plug in -1 for $x$ and 8 for $y$ ... solve for " $a$".