Question

What is the equation of the directrixfor the following parabola:(x - 1)2 = 12(y + 2)A. y = -5B. x = -5C. y=-3D. y = -12

Answer 1

The value of k is -2 and value of p is 3.

The directrix is y = k - p.

`y=-2-3`
`y=-5`

The correct option is A.