What is an equation of a parabola with a vertex at the origin and directrix x = 4.75?
(1 point)
Responses
y = –one over nineteenx2
y = – Image with alt text: one over nineteen x 2
y = one over nineteenx2
y = Image with alt text: one over nineteen x 2
x = –one over nineteeny2
x = – Image with alt text: one over nineteen y 2
x = one over nineteeny2
1 answer
y = 1/19x^2