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October 1, 2014

October 1, 2014

Posted by **dan** on Saturday, July 25, 2009 at 3:45pm.

x2 + 10x + y2 + 12y = 60

- math -
**Damon**, Saturday, July 25, 2009 at 4:02pmx^2 + 10 x + (10/2)^2 + y^2 +12 y + (12/2)^2 = 60 +(10/2)^2 + (12/2)^2

x^2 + 10 x + 25 + y^2 + 12 y + 36 = 60 + 25 + 36

(x+5)^2 + (y+6)^2 = 121

That is a circle with radius 11 centered at (-5,-6).

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