Jon R. answered • 06/26/14

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For any quadratic function, your vertex is -b/2a

In this case, it's x=2

By factoring, you can determine the x-intercepts: y=x

^{2}-4x = x(x-4)Your x-intercepts are the values where y=0, thus, the points (0,0) and (4,0) are the intercepts.

Your y-intercept is the point where x=0, thus (0,0) is your y-intercept.