Find an equation of a parabola with a vertex at the origin and directrix y = - 3.5
(1 point)
y = - 1/14 x ^ 2
y = 1/14 x ^ 2
x = 1/14 y ^ 2
x = - 1/14 y ^ 2
(1 point)
y = - 1/14 x ^ 2
y = 1/14 x ^ 2
x = 1/14 y ^ 2
x = - 1/14 y ^ 2