What are the focus and directrix of the parabola with the given equation?

Question

x = -1/8y^2

focus (0, 2): directrix: x = -2

focus (0, 2): directrix: x = 0

focus (2, 0): directrix: x = 2

focus (-2, 0): directrix: x = 2

Answer 1

The correct answer is:

Focus (0, 2), directrix x = -2