Find an equation of a parabola with a vertex at the origin and directrix y = –3.5

Question

(1 point)
Responses

y = –start fraction 1 over 14 end fractionx2
y = – Image with alt text: start fraction 1 over 14 end fraction x 2

y = start fraction 1 over 14 end fractionx2
y = Image with alt text: start fraction 1 over 14 end fraction x 2

x = start fraction 1 over 14 end fractiony2
x = Image with alt text: start fraction 1 over 14 end fraction y 2

x = –start fraction 1 over 14 end fractiony2

Answer 1

The correct equation is y = start fraction 1 over 14 end fraction x^2.