SOLUTION: A circle has equation given by x^2+ax+y^2+by+c = 0 Find the radius of the circle, giving your answer to 2 decimal places, when a = 26, b = -81 and c = 73.

SOLUTION: A circle has equation given by x^2+ax+y^2+by+c = 0 Find the radius of the circle, giving your answer to 2 decimal places, when a = 26, b = -81 and c = 73.

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Question 982706: A circle has equation given by
x^2+ax+y^2+by+c = 0
Find the radius of the circle, giving your answer to 2 decimal places, when a = 26, b = -81 and c = 73.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

when , and , we have
....complete squares

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