Try another version of this question Find the equation of the parabola that has a focus at ` (-1,9) ` and a vertex at ` (5, 9) `. The equation of the parabola is:
The equation of the directrix is:
Get help: Box 1: Enter your answer as an equation. Example: y=3x^2+1, 2+x+y=3
Box 2: 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=-((y-9)^2)/24+5`
Be sure your variables match those in the question `x=11`