radigandylan radigandylan 18-07-2019 Mathematics contestada A parabola has a focus of F (8.5,-4) and a directrix of x=9.5. What is the equation of the parabola? A) 1/2 y² + 4y - 1= x B) -1/2y²- 4y +1 = x C) 1/2y²- 4y+1=x D) -1/2y² + 4y-1=x
