SOLUTION: find the radius defined by the equation: x^2+y^2-2x-10y-23=0.

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Question 382978: find the radius defined by the equation: x^2+y^2-2x-10y-23=0.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
find the radius defined by the equation:
Complete the square on the x-terms and on the y-terms:
x^2+y^2-2x-10y-23=0.
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x^2-2x+1 + y^2-10y+25 = 23+1+25
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(x-1)^2 + (y-5)^2 = 49
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radius = sqrt(49) = 7
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Cheers,
Stan H.