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Mathematics 19 Online
OpenStudy (anonymous):

Please help! Given the foci (-2,0) (2,0) and a=7, write the equation for an ellipse.

OpenStudy (anonymous):

@gagafacea1

OpenStudy (anonymous):

wait what's a?

OpenStudy (anonymous):

@dan815 @ganeshie8 @hartnn

OpenStudy (anonymous):

sorry meant to ask about b not a, what's b?

OpenStudy (dan815):

|dw:1403094465767:dw|

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