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Mathematics 7 Online
OpenStudy (anonymous):

What are the foci of the ellipse given by the equation 100x^2 + 64y^2 = 64,000 (0, ±6) (±6, 0) (0, ±36) (±36, 0) So for my answer I keep getting (0,-18.97) and (0,18.97) but that isn't one of the answer choices??

OpenStudy (anonymous):

I divided both sides by 64000, then reduced and got |dw:1363045547638:dw|

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