SOLUTION: Find the radius of the circle given by the equation x^2 +y^2 +4x+4y-1=0

Question 1089921: Find the radius of the circle given by the equation
x^2 +y^2 +4x+4y-1=0
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

to find the radius of the circle, write your equation in form:
where and are coordinates of the center, and is the radius
...complete squares
...for part and =>=>
for part and =>=>

=>the radius of the circle is

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