SOLUTION: Write the equation of a circle in standard form, then find the center and radius of the circle with equation {{{x^2+6x+y^2-2y=2}}}

Algebra ->  Circles -> SOLUTION: Write the equation of a circle in standard form, then find the center and radius of the circle with equation {{{x^2+6x+y^2-2y=2}}}      Log On


   

Question 629078: Write the equation of a circle in standard form, then find the center and radius of the circle with equation
x%5E2%2B6x%2By%5E2-2y=2
Answer by meetkisai(17) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2%2B6x%2By%5E2-2y=2
x%5E2%2B6x%2B3%5E2%2By%5E2-2y+%2B+1=2%2B+3%5E2%2B1
%28x%2B3%29%5E2+%2B+%28y-1%29%5E2+=+%28sqrt%2812%29%29%5E2
=> is a standard form %28x-a%29%5E2+%2B+%28y-b%29%5E2+=+r%5E2
center=(-3, 1)
radius = sqrt%2812%29