SOLUTION: given the equation of a circle is x^2 + y^2 =100, find the center and the radius.

Algebra ->  Linear-equations -> SOLUTION: given the equation of a circle is x^2 + y^2 =100, find the center and the radius.      Log On


   

Question 325008: given the equation of a circle is x^2 + y^2 =100, find the center and the radius.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The general equation for a circle centered at (h,k) with a radius R is:
%28x-h%29%5E2%2B%28y-k%29%5E2=R%5E2
Comparing,
h=k=0
(0,0)
.
.
.
R%5E2=100
R=10