math

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

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asked by amaa
  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

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    posted by Reiny
  2. thanks I got it right.

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    posted by amaa

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