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September 1, 2015

Homework Help: algebra

Posted by Sara on Friday, March 21, 2008 at 6:40pm.

find center and radius of circle

(x-6)^2+(y+9)^2=121
-(x-6)^2 -(x-6)^2
(y+9)^2=121-121-(x-6)^2
(y+9)^2=+/- 121-(x-6)^2
-9 -9
y=-9+/-121-(x-6)^2
does anyone know is this the answer or do I go further???????????????????????

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