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Find m if the line y=mx−2 intersects y=x^2 in just one point.

 Apr 25, 2020
 #1
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m  =  +/- 2·sqrt(2)

 

I was going to explain how I got my answer; I used this:  y  =  x2   --->   y'  =  2x   but I forgot what else I did!

 Apr 25, 2020

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