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12-08-2021
Mathematics

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

Which equation represents a parabola that has a focus of 00 and a directix of y 2 class=

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12-08-2021

Answer: D

Step-by-step explanation:

[tex]a=0,\ b=0,\ k=2\\equation\ of\ the\ parabola:\\\\y=\dfrac{(x-a)^2}{2(b-k)} +\dfrac{b+k}{2} \\\\\\y=-\dfrac{x^2}{4}+1 \\\\x^2=-4(y-1)\\\\Answer\ D[/tex]

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