SydnieChristine
SydnieChristine SydnieChristine
  • 21-05-2016
  • Mathematics
contestada

Using a directrix of y = 2 and a focus of (3, −4), what quadratic function is created?

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caylus
caylus caylus
  • 21-05-2016
Hello,
as the directrice is y=2 and the focus (3,-4), the vertex is (3,-1)

y=a(x-3)²-1
But I can't go any further... (with a<0)
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