Analytic Geometry

How can i identify in the graph of an ellipse where is b, a, c, the vertices, the foci, the latus rectum, the essentricity and the directrix.


Please reply. Needed for my studies tonight :/ midterm exam tom. :/

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asked by Earis
  1. http://www.youtube.com/watch?v=8A1BsHbXWBE

    latus rectum:
    http://www.emathzone.com/tutorials/geometry/length-of-latus-rectum-of-ellipse.html

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    posted by Damon

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