Question 599621:  Which is the equation of a circle that passes through(2,2) and is centered at(5,6)?  
 Answer by lwsshak3(11628)      (Show Source): 
You can  put this solution on YOUR website! Which is the equation of a circle that passes through(2,2) and is centered at(5,6)? 
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Standard form of equation for a circle: (x-h)^2+(y-k)^2=r^2, (h,k)=(x,y) coordinates of center, r=radius 
Solving for radius using coordinates of given point (2,2) 
(2-5)^2+(2-6)^2=r^2 
9+16=r^2 
r^2=25 
Equation of circle:  
(x-5)^2+(y-6)^2=25
 
 
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