SOLUTION: write the equation of a circle in standard form x^2+y^2+6x-4y=-9 the equation of the circle in stadard form ______=4

Algebra ->  Equations -> SOLUTION: write the equation of a circle in standard form x^2+y^2+6x-4y=-9 the equation of the circle in stadard form ______=4      Log On


   

Question 329506: write the equation of a circle in standard form
x^2+y^2+6x-4y=-9
the equation of the circle in stadard form ______=4
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Complete the square in x and y.
x%5E2%2By%5E2%2B6x-4y=-9+
x%5E2%2B6x%2By%5E2-4y=-9
x%5E2%2B6x%2B9%2By%5E2-4y%2B4=-9%2B9%2B4
%28x%2B3%29%5E2%2B%28y-2%29%5E2=4