la3llaAckerjoipujah
la3llaAckerjoipujah la3llaAckerjoipujah
  • 18-08-2016
  • Mathematics
contestada

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

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nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 26-08-2016
focus = (-3/2, -30)
directrix is y = -61/2
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