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Mathematics 21 Online
OpenStudy (anonymous):

X^2+y^2+14x-12y+4=0 how do I find the center and the radius

OpenStudy (aravindg):

For a circle \[x^2+y^2+2gx+2fy+c=0 \] Center=(-g,-f) Radius=\(\sqrt{g^2+f^2-c}\)

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