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December 21, 2014

December 21, 2014

Posted by **lindsay** on Sunday, April 29, 2012 at 12:14am.

a. (x+root5)^2 + y^2 -8y =9

- geometry -
**Steve**, Sunday, April 29, 2012 at 10:48amto do these you need to complete the square on each variable

(x-√5)^2 + (y^2 - 8y + 16) = 9 + 16

(x-√5)^2 + (y-4)^2 = 25

now just read off (h,k) and r

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