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December 21, 2014

December 21, 2014

Posted by **Bolu** on Tuesday, October 11, 2011 at 6:19pm.

- math -
**Reiny**, Tuesday, October 11, 2011 at 7:44pmlet's complete the square

2(x^2 + 4x + ....) + 5(y^2 + 2y + ...) = -3

2(x^2 + 4x + 4) + 5(y^2 + 2y + 1) = -3 + 8 + 5

2(x+2)^2 + 5(y+1)^2 = 10

divide by 10

(x+2)^2/5 + (y+1)^2/2 = 1

can you take it from there?

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