Question

What is the vertex form of `y= x^2 - 11x + 30`?

Answer 1

The vertex form is `y= (x - 11/2)^2 -1/4`

Explanation:

`y= x^2-11x+30 or y= (x^2 -11x +(11/2)^2) -121/4 + 30` or

`y= (x - 11/2)^2 -1/4`. Vertex is at `11/2 , -1/4`

The vertex form is `y= (x - 11/2)^2 -1/4` [Ans]