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May 27, 2015

Homework Help: Math(pre-Calculus)

Posted by K.C on Thursday, October 28, 2010 at 1:13am.

Find the standard form of the equation of the circle.

3(x+2)^2 + 3(y-1)^2=18

so i used this formula
r^2 = (x+h^)2 + 3(y+k)^2

i just plug in the number but what do i do with the 3's outside of the parenthesis or i have to do something else...

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