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Mathematics 9 Online
OpenStudy (anonymous):

I'm soo lost! 1) What is the equation of the quadratic graph with a focus of (−4, seventeen eighths) and a directrix of y = fifteen eighths

OpenStudy (owlcoffee):

Are you familiar with the parabola?

OpenStudy (anonymous):

yes f(x)=a(x-h)^2+k

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