SOLUTION: Thank you for your help solving. Write an equation of the form x^2 + y^2 + ax + by + c = 0 for the circle with center (0,-4) and radius 5.

Algebra ->  Equations -> SOLUTION: Thank you for your help solving. Write an equation of the form x^2 + y^2 + ax + by + c = 0 for the circle with center (0,-4) and radius 5.       Log On


   

Question 889314: Thank you for your help solving.
Write an equation of the form x^2 + y^2 + ax + by + c = 0 for the circle with center (0,-4) and radius 5.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A circle centered at (0,-4) with radius 5 would be,
%28x-0%29%5E2%2B%28y%2B4%29%5E2=25
x%5E2%2By%5E2%2B4y%2B16=25
highlight%28x%5E2%2By%5E2%2B4y-9=0%29
.
.
.
a=0
b=4
c=-9