December 1, 2015

Homework Help: Gradient of circle?

Posted by Marrion on Saturday, September 26, 2009 at 4:00am.

A circle has the equation x^2+y^2-4x+6y-12=0
and i have already found that the centre has a coordinate of (2,-3), and a radius of 5 units. But i need to find points on the circle that has the gradient of -4/3 when a tangent is drawn on the point. How do i do that???

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