Find the equation of a parabola with vertex at the origin and the directrix, `y=2.`

Equation of parabola with vertex at the origin and directrix y+3=0 , is

The equation of the parabola with vertex at the origin and directix is y=2 is-

Find the equation of the parabola with vertex at the origin and y+3=0 as its directrix. Also, find its focus.

Find the equation of the parabola having the vertex at the origin, the directrix is parallel to y - axis and passes through (-3,6).

Equation of the parabola with vertex at the origin and directrix x+8=0 is _____.

Find the equation of a parabola with vertex at the origin, focus at (4,0) and directrix x=-4

Find the equation of the parabola whose vertex is at the origin and directrix is the line y-4=0

Find the equation of the parabola whose vertex is at the origin and directrix is the line y - 4 = 0 .

Find the equation of the parabola with vertex at the origin and satisfying the condition : Focus (0, - 3) , Directrix y = 3.

Find the equation of the parabola with vertex at the origin and satisfying the condition : Focus (2, 0) , Directrix x = -2 .