SOLUTION: Which is an equation of a circle with center (2, -1) that passes through the point (3, 4)?

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Question 948935: Which is an equation of a circle with center (2, -1) that passes through the point (3, 4)?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The general equation for a circle centered at (h,k) with radius R is,
%28x-h%29%5E2%2B%28y-k%29%5E2=R%5E2
Plug in what you know,
%283-2%29%5E2%2B%284-%28-1%29%29%5E2=R%5E2
1%5E2%2B5%5E2=R%5E2
R%5E2=26
So then,
highlight%28%28x-2%29%5E2%2B%28y%2B1%29%5E2=26%29