Finding the equation of an ellipse from foci and directrices

  • Thread starter kasse
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  • #1
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How can one find the eq. of an ellipse given that the foci are (-2,0) and (2,0) and that the directrices are x=-8 and x=8?
 

Answers and Replies

  • #2
cristo
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This seems like a homework question. What have you tried?
 
  • #3
berkeman
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Moved to precalc homework.

Kasse, you need to show your own work in order to get our help. What are the equations that define an ellipse?
 

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