# What is the vertex form of #y= x^2 -x - 11 #?

##### 1 Answer

Sep 27, 2016

Vertex form is

The vertex or this parabola is

#### Explanation:

The equation

vertex at

Here, the given equation can be standardized as

Vertex is

Axis is x=1.

Focus is S(1, -11).

Directrix is