peaceashley10 peaceashley10 15-12-2017 Mathematics contestada What are the coordinates of the focus and the equation of the directrix? A. focus: ; [-1/4, 0]; directrix: x = 1/4 B. focus: ; [1/4, 0]; directrix: x = -1/4 C. focus: (–4,0); directrix: x = 4 D. focus: (4,0); directrix: x = –4
