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Mathematics 22 Online
OpenStudy (anonymous):

Identify the center and radius of the following circle: x²+y²-12x+6y+45=0

hartnn (hartnn):

this is same as your last question. if you understand that, you should be able to do this.

OpenStudy (hba):

x^2+y^2+2ax+2by+c=0 You can compare if you want to.

hartnn (hartnn):

same formulas! http://openstudy.com/study#/updates/50e3be0ce4b0e36e35144ca8

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