# SOLUTION: What is the eccentricity of the ellipse whose equation is [(x^2) / 25] +[(y-3)^2 / 9] = 1? I do know to use e=c/a to help find the correct answer, but I have no clue where to st

Algebra ->  Algebra  -> Quadratic-relations-and-conic-sections -> SOLUTION: What is the eccentricity of the ellipse whose equation is [(x^2) / 25] +[(y-3)^2 / 9] = 1? I do know to use e=c/a to help find the correct answer, but I have no clue where to st      Log On

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 Algebra: Conic sections - ellipse, parabola, hyperbola Solvers Lessons Answers archive Quiz In Depth

 Question 162323: What is the eccentricity of the ellipse whose equation is [(x^2) / 25] +[(y-3)^2 / 9] = 1? I do know to use e=c/a to help find the correct answer, but I have no clue where to start. I appericiate all you help!Answer by Fombitz(13828)   (Show Source): You can put this solution on YOUR website!The general equation for an ellipse is, The eccentricity is, as you mentioned, Let's compare variables with your equation. . . . That's all we need.