la3llaAckerjoipujah la3llaAckerjoipujah

18-08-2016
Mathematics

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what is the focus and directrix of the quadratic equation of f(x) = x2 3x-28

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nobillionaireNobley nobillionaireNobley

26-08-2016

focus = (-3/2, -30)
directrix is y = -61/2

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