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

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 (0,-4) and directrix is y=4.

Find the equation of the parabola whose focus is (5,3) and directrix is the line 3x-4y+1=0.

Find the equaiton of the parabola whose focus is (4, 0) and directrix is x=-4

The equation of the parabola whose focus is (-3,0) and the directrix is, x+5=0 is: