Question

Write the equation of a parabola with a vertex at (-5, 2) and a directrix y = -1. (I was never taught this)

Answer 1

you are looking for an equation of the form
\[ \large y-k=4a(x-h)^2 \]

Answer 2

you already have the vertex (h,k)=(-5,2)
just have to find a

Answer 3

Thank you, it was helpful! i can take it from there

Answer 4

great!
if u need help, just say so

Answer 5

Thanks again :)