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Mathematics 20 Online
OpenStudy (anonymous):

Given the circle x^2+y^2-2x-10y+2=0 find its center and radius

OpenStudy (jdoe0001):

do you know what a "perfect square trinomial" is?

OpenStudy (anonymous):

not really

OpenStudy (jdoe0001):

http://www.youtube.com/watch?v=3Ixp3PeAErI

OpenStudy (anonymous):

so the center is 1;-5 and the radius is square root 28?

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