SOLUTION: find the center and radius of the circle. then graph. x^2+y^2=16

Algebra ->  Circles -> SOLUTION: find the center and radius of the circle. then graph. x^2+y^2=16      Log On


   

Question 136385: find the center and radius of the circle. then graph.
x^2+y^2=16
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!
The general equation for a circle with center at (h,k) and radius r is %28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2

You can re-write your equation as %28x-0%29%5E2%2B%28y-0%29%5E2=4%5E2

And now the center and radius are right there for you to read.