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April 1, 2015

April 1, 2015

Posted by **ladybug** on Saturday, October 13, 2012 at 5:26pm.

5x^2+30x+5y^2=0

- pre-cal -
**Reiny**, Saturday, October 13, 2012 at 5:34pmdivide by 5

x^2 + 6x + y^2 = 0

complete the square for the x terms

x^2 + 6x + 9 + y^2 = 9

(x+3)^2 + y^2= 9

take it from there

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