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Mathematics 8 Online
OpenStudy (anonymous):

I don't know how to do directrices! heelplpepe!!! What are the directrices of the ellipse given by the equation x^2/25+y^2/9=1 answer choices! x = plus or minus 5 / 4 y = plus or minus 5 / 4 x = plus or minus 25 / 4 y = plus or minus 25 /4

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