Posted by **VERONICA** on Thursday, February 23, 2012 at 9:04pm.

How many x-intercepts does the graph of y=x^2-4x+4?

- GeOmEtRy!!! -
**MathMate**, Thursday, February 23, 2012 at 11:03pm
Hint:

x^2-4x+4=(x-2)²

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