Thursday

November 27, 2014

November 27, 2014

Posted by **amaa** on Friday, November 30, 2012 at 4:17am.

9x^2 + y^2 = 81

- math -
**Reiny**, Friday, November 30, 2012 at 8:31amdivide by 81

x^2/9 + y^2/81 = 1

then look at my reply to your other post for the same kind of question

http://www.jiskha.com/display.cgi?id=1354265681

- math -
**amaa**, Friday, November 30, 2012 at 7:28pmthanks I got it right.

**Answer this Question**

**Related Questions**

Math - Find the center, vertices, foci, and eccentricity of the ellipse. 9x^2 + ...

math - Find the vertices, foci, and eccentricity of the ellipse. Thank you. x^2/...

math - Find the vertices, foci, and eccentricity of the ellipse. 64x^2 + 81y^2...

algebra - An ellipse has foci (0,+-3) and vertices (0,+-4). What is the ...

maths - Given that the ellipse x^2/a^2 + y^2/b^2 =1 has foci at(+/-ae,0)where e ...

Math - Find the center, vertices, foci, and eccentricity of the ellipse. 9x^2 + ...

Algebra 2 - Choose the equation that best represents an ellipse for the given ...

algebra 2 - Graph the equation. Identify the vertices, co-vertices, and foci of ...

AlgebraII - Choose the equation that best represents an ellipse for the given ...

algebra - Choose the equation that best represents an ellipse for the given foci...