Try another version of this question
Find the equation for the parabola that has its vertex at the origin and has directrix at `y=1/14`.
The equation is:
The equation is:
Box 1: Enter your answer as an equation. Example: y=3x^2+1, 2+x+y=3
Be sure your variables match those in the question
`x^2 = -2/7 y`