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26 January, 16:22

Which is the axis of symmetry of a parabola with equation x^2=-4y?

x = - 4

x = - 1

x = 0

x = 1

+5
Answers (1)
  1. 26 January, 16:40
    0
    Y=a (x-h) ²+k

    x=h is the axis of symmetry

    so

    -4y=x²

    times both sides by - 1/4

    y = (-1/4) x²

    y = (-1/4) (x-0) ²+0

    axis of symmetry is x=0

    3rd option
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