Question

Y = 2(x - 5)2 = 4
what is a?

Answer 1

a=2

Explanation:

The equation for a parabola can be written as

y = a(x-h)^2 +k in vertex form where (h,k) is the vertex

y = 2(x - 5)^2 + 4

a =2 (h,k) = (5,4)