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18 February, 11:24

The parabola with equation x 2+10y=0 has a directrix of

y=-5/2

x = - 5/2

y = 5/2

x = 5/2

+5
Answers (1)
  1. 18 February, 15:08
    0
    Step-by-step explanation:

    x²=-10y

    compare with x²=4ay

    4a=-10

    a=-5/2

    directrix is

    y=-5/2
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