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April 17, 2014

Homework Help: Ap Calc AB

Posted by Student on Tuesday, October 16, 2007 at 6:29pm.

Find the equation of the line tangent to the curve at (5, -3)
(x-2)^2 + (y+3)^2 = 9

I solved the derivative to be dy/dx = ((-2x+4)/ (2y+6))

when i plugged in the points (5, -3) I got the slope as -6/0...How is this possible??
How can i find the equation of this curve if the slope is undefined??

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