February 26, 2017

Homework Help: analytic geometry/graphing problem

Posted by Knights on Tuesday, March 19, 2013 at 1:47pm.

The vertices of a triangle are the points of intersection of the line y=-x-1, x=2 and y = 1/5x + 13/5. Find an equation of the circle passing through all three vertices.

I don't understand how to solve this: should I set them all equal to find the vertices? But afterwards, then what?

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