Find the equation of the parabola having ther vertex at `(0, 1)` and the focus at `(0, 0)`.

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

Find the equation of a parabola having its vertex at A(1,0) and focus at S(3,0) .

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

Find the equation of the parabola with vertex at (0, 0) and focus at (0, 5).

The equation of the parabola with vertex at (0, 0) and focus at (0, 4) is

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

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

Find the equation of parabola (i) having its vertex at A(1,0) and focus at S(3,0) (ii) having its focus at S(2,5) and one of the extremities of latus rectum is A (4,5)

Find the equation of parabola (i) having its vertex at A(1,0) and focus at S(3,0) (ii) having its focus at S(2,5) and one of the extremities of latus rectum is A (4,5)