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]}