SOLUTION: graph the equation. Identify the radius of the circle. {{{ x^2+y^2 }}} =12

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: graph the equation. Identify the radius of the circle. {{{ x^2+y^2 }}} =12       Log On


   

Question 624450: graph the equation. Identify the radius of the circle.
+x%5E2%2By%5E2+ =12
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Note:Standard Form of an Equation of a Circle is %28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2  

where Pt(h,k) is the center and r is the radius

+x%5E2%2By%5E2+ =12    C(0,0)    r+=+sqrt%2812%29+=+2sqrt%283%29