SOLUTION: Find the center and the radius of the circle. Then graph the circle. X^2+y^2=9

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: Find the center and the radius of the circle. Then graph the circle. X^2+y^2=9      Log On


   

Question 940517: Find the center and the radius of the circle. Then graph the circle. X^2+y^2=9
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=0
k=0
R=3
(0,0) with a radius of 3.