# What is the x-intercept of the graph of #y=x^2-4x+4#?

##### 1 Answer

Sep 6, 2015

x intercept is 2

#### Explanation:

To find the x-intercept , find the value of x at y = 0

At y = 0;

It is a quadratic equation. It is a perfect square.

x (x -2) -2(x - 2) = 0

(x -2) (x -2) = 0

x = 2

x intercept is 2

graph{x^2-4x+4 [-10, 10, -5, 5]}