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how to find the x and y intercept?

Algebra
Tutor: None Selected Time limit: 0 Hours

F(x)=x-squared-4x=4

Nov 22nd, 2014

F(x) = x² -4x +4

To find the y -intercept put x=0:    F(0) = 0 - 4*0 +4 =4

The y- intercept is 4

To find the x- intercept  solve  x² -4x +4 =0

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

                                                   x=2 

The x-intercept is 2

Nov 22nd, 2014

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