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March 30, 2015

Homework Help: precalc!!!!!

Posted by L.Bianchessi on Friday, March 9, 2012 at 7:45pm.

find the point on the line y=2x-1 which is closest to the point (2,-1).

I used distAnce formula and got
D= (square root 5x^2 -4x +4)
I did....
D=square root (2-x)^2 + (-1-(2x-1))^2


What do I do now?

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