# What is the vertex of # y = (1/4)(4x – 16)^2 - 4#?

##### 1 Answer

Apr 15, 2017

Vertex is

#### Explanation:

Vertex form of a parabola is

Notice that the coefficient of

In the question asked, the coefficient of

Simplify first:

Factor out 16:

(we could have done this in one step at the beginning as long as the factor

The vertex is at

Vertex is