The equation of the parabola whose focus is at (7, 0) and directrix at x = -7 is: y = (1/28)x x = (1/28)y x

1. The equation of the parabola whose focus is at (7, 0) and directrix at x = -7 is:

2. y = (1/28)x²
   x = (1/28)y²
   x = -(1/28)y²