Homework Help: Algebra

Posted by Jodi on Thursday, May 12, 2011 at 11:51pm.

Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0)

Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this

Algebra-Pleasehelp and check my work - Jodi, Friday, May 13, 2011 at 12:37am
I'm thinking this should be
a=?
b=2
c=6
a^2 -2^2 = 6^2
a^2 = 40
so the equation would be x^2/4 + y^2/40 = 1
Is that correct?
Algebra - Anonymous, Friday, May 13, 2011 at 1:18am
That is correct solution.
Algebra-please recheck - Jodi, Friday, May 13, 2011 at 1:22am
Could you recheck my answer because I just realized it can't be write-it's not a choice-
could it be x^2/1 +y^2/40 =1 or would it be x^2/1 + y^2/36 = 1
Those were the only two choices

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