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March 29, 2017

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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 - ,

    The answers are correct.
    The radius is sqrt(18) which you have correctly reduced to 3sqrt(2), well done!

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