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Mathematics 9 Online
OpenStudy (anonymous):

What is the equation of the quadratic graph with a focus of (−4, −five fourths) and a directrix of y = twenty seven fourths? f(x) =negative one sixteenthsx2 − one half x + five fourths f(x) =negative one sixteenthsx2 − one half x + thirteen fourths f(x) =one sixteenthsx2 + one half x + five fourths f(x) =one sixteenthsx2 + one half x + thirteen fourths

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