SOLUTION: A circle has a center (5, -4) and radius 8. what's the equation for the circle?

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Question 1183583: A circle has a center (5, -4) and radius 8. what's the equation for the circle?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
the equation for the circle:
%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2
given:
a center (5,+-4)
=>h=5 and k=-4
r=8
%28x-5%29%5E2%2B%28y-%28-4%29%29%5E2=8%5E2
%28x-5%29%5E2%2B%28y%2B4%29%5E2=64