Homework Help: Pre-Calc

Posted by MUFFY on Tuesday, September 29, 2009 at 11:34pm.

Determine the center and the radius of the following circle:

x^2+y^2+6x-4y-5=0

I got for the radius 3(sqrt2)
I got for the center (-3,2)

Can you please tell me if I am correct?
The radius seems wierd.

Pre-Calc - MathMate, Wednesday, September 30, 2009 at 6:53am
The answers are correct.
The radius is sqrt(18) which you have correctly reduced to 3sqrt(2), well done!

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