threecarters777 threecarters777
  • 24-04-2017
  • Mathematics
contestada

Which equation represents a parabola that has a focus of (0, 0) and a directrix of y = 2?

a. x2=−4y
b. x2=−4(y−1)
c. x2=−(y−1)
d. x2=−y

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Аноним Аноним
  • 04-05-2017
 the answer is is is is a
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