SOLUTION: x^2+y^2=16 Whats the center and radius?

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Question 975373: x^2+y^2=16
Whats the center and radius?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Compare to the general equation of a circle centered at (h,k) with radius R.
%28x-h%29%5E2%2B%28y-k%29%5E2=R%5E2
(h,k)=(0,0)
R=4