What is the directrix 3y^2=24x ?

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directrix 3y^2=24x

directrix

3 y^{2} = 24 x

x = - 2

Solution steps

Rewrite

3 y^{2} = 24 x

in the standard form:

4 \cdot 2 (x - 0) = (y - 0)^{2}

(h, k) = (0, 0), p = 2

Parabola is symmetric around the x-axis and so the directrix is a line parallel to the y-axis, a distance

- p

from the center

(0, 0)

x-coordinate

x = 0 - p

x = 0 - 2

Refine

x = - 2

(y - 3)^{2} = 4 (x + 2)

y = + (x - 7)^{2}

- 2 x^{2} + 25 x

4 t^{2} + 1

y = (x + 5)^{2}