Find the equation of the parabola if the focus is the point `(5/4, -1)` and the directrix is `4x-13=0`.

Find the equation of the parabola whose focus is at (-1, 1) and the directrix is x+y+1=0 .

Find the equation of the parabola whose focus is the point (0,0) and the directrix is the straight line 3x-4y+2=0.

Find the equation of the parabola whose focus is at (-1,-2) and the directrix the line x-2y+3=0

Find the equation of the parabola whose focus is at (-1,-2) and the directrix the line x-2y+3=0

Find the equation of the parabola with focus (7, 0) and equation of the directrix is x = -7.

The equation of the parabola whose focus is (1, 1) and the directrix is x+y+1=0

Find the equation of the parabola whose: focus is (3,0) and the directrix is 3x+4y=1.

Find the equation of the parabola with focus (-3,0) and the equation of the directrix is x = 3.

Find the equation of the parabola whose focus is (1,1) and equation of directrix is x+y=1.

Find the equation of the parabola whose focus is (4,-3) and vertex is (4,-1).