Question

What is the vertex of `y=4x^2-32x+63`?

Answer 1

(4, -1)

Explanation:

x-coordinate of vertex:
`x = -b/(2a) = 32/8 = 4`
y-coordinate of vertex:
`y(4) = 64 - 128 + 63 = -1`
Vertex (4, -1)