Find the equations of the following parabolas :
(i) Vertex (0,0) , focus (-2, 0)
(ii) Vertex (0,0) , focus (0,2)
(iii ) vertex (4,1) , focus (4, -3) .

Find the equation of the following parabola : Vertex (0, 0), Focus (- 2, 0) .

Find the equation of the following parabola : Vertex (0,0), Focus (3, 0) .

Vertex (0,0), focus (3,0)

Find the equation of each of the following parabolas. vertex at (0,4), focus at (0,2).

Find the equation of each of the following parabolas. vertex at (0,4), focus at (0,2).

Find the equation of the parabola having vertex at (0, 0) and focus at (-2, 0) .

Find the equation of the parabola having vertex at (0, 0) and focus at (-2, 0) .

Find the equation of each of the following parabolas : (i) Directrix x = 0, focus at (6, 0) (ii) Vertex at (0,4), focus at (0,2) (iii) Focus at (-1, -2), directrix x - 2y + 3 = 0.

Find the equation of the parabola with vertex at (0,0) and focus at (0,2) .