SOLUTION: Find the center and radius of the circle and sketch its graph. x2 + y2=9

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Question 907488: Find the center and radius of the circle and sketch its graph.
x2 + y2=9
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Standard Form of an Equation of a Circle is %28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2
where Pt(h,k) is the center and r is the radius
x%5E2+%2B+y%5E2=9 C(0,0), r = 3