Question

Find the vertices, foci and eccentricity of the ellipse.Thank you
9x^2 + y^2 = 81

Answer 1

divide 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

Answer 2

thanks I got it right.