SOLUTION: Find the center and radius of the circle with standard equation x^2+6x+y^2-8y-11=0

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Question 1160439: Find the center and radius of the circle with standard equation x^2+6x+y^2-8y-11=0
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x^2+6x+y^2-8y-11=0
x%5E2%2B6x%2By%5E2-8y=11
x%5E2%2B6x%2B9%2By%5E2-8y%2B16=11%2B9%2B16
%28x%2B3%29%5E2%2B%28y-4%29%5E2=36
%28x%2B3%29%5E2%2B%28y-4%29%5E2=6%5E2--------------------------This tells what you need.