Question

What is an equation of a parabola with the given vertex and focus?

vertex: (–2, 5); focus: (–2, 6) (3 points)

Answer 1

y-k = (-1/(4p))(x-h)²
vertex (h,k)
focus (h,k-p)

h=-2 k=5 5-p=6 where p=-1

y-5=-1/(4*(-1))(x+2)^2
y-5=(1/4)(x+2)^2