A parabola has its directrix at x = 4 and its focus at (8,

Last updated: 7/13/2022

A parabola has its directrix at x = 4 and its focus at (8, k). Which of the following could be the equation of the parabola? Select all that apply. a. y =1/8 (x-8)² +6 b. 4y= (x-8)² + 20 c. x=1/8 (y + 2)² + 6