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

Algebra ->  Linear-equations -> SOLUTION: find the center and radius of the circle x^2+y^2=16      Log On


   

Question 975283: find the center and radius of the circle
x^2+y^2=16
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

find the center and radius of the circle
x%5E2%2By%5E2=16
x%5E2%2By%5E2=4%5E2 if you compare it to %28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2, you see that h=0 and k=0 which means the center is at (0,0)
and r=4