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OpenStudy (anonymous):
What is the center and radius of a circle with the given equation? x^2 +y^2 -4x + 10y =7
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OpenStudy (anonymous):
Please HELP!!
OpenStudy (anonymous):
(x^2-4x)+(y^2+10y)=7 complete the squares and write in the form (x-h)^2+(y-k)^2=r^2 then (h,k) is the centre and r is the radius.
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