Find the Focus and Directrix of the Parabola $$y ^ { 2 } = 36 x$$

Multiple Choice

Find the focus and directrix of the parabola.
- $$y ^ { 2 } = 36 x$$

A) (9, 0) ; x = -9
B) (0, 9) ; y = -9
C) (9, 9) ; x = 9
D) (9, 0) ; x = 9