x^2 +y^2 +4x-10y+4=0

find the center and raduis of each circle
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1 Answer

 

x^2 +y^2 +4x-10y+4=0

Complete the square for x and y: x^2+4x+4 +y^2-10y+25=25

(x+2)^2+(y-5)^2=5^2  center (-2, 5) radius is 5

 

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