9x^{2}+ 4y^{2}= 1

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- Nov 27th 2012, 01:00 PMsalgadoguelmiFind the vertices, foci, and eccentricity of the ellipse.
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*x*^{2}+ 4*y*^{2}= 1 - Nov 27th 2012, 02:40 PMskeeterRe: Find the vertices, foci, and eccentricity of the ellipse.
$\displaystyle \frac{x^2}{\left(\frac{1}{3}\right)^2} + \frac{y^2}{\left(\frac{1}{2}\right)^2} = 1$

now you know $\displaystyle a$ and $\displaystyle b$ ... can you finish?

also ... DO NOT double post. Thank you.