brooke945 brooke945

11-04-2018
Mathematics

contestada

Write an equation of a parabola with its vertex at the origin and the given characteristics. focus at (0,-2)

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11-04-2018

[tex]y=- \frac{x^2}{8} [/tex]

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mkryukova19 mkryukova19

11-04-2018

(x-h)²=4p(y-k)
(x-0)²=4p(y-0)   vertex (0,0)
(x)²=4p(y)
p=-2-0=-2
x²=4*(-2)y
x²=-8y

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