What is the standard form of the equation of the parabola with a directrix at x=-5 and a focus at (-2,-5)?
1 Answer
Jan 21, 2017
The equation is
Explanation:
Any point
Therefore,
The vertex is
graph{((y+5)^2-6(x+7/2))(y-100x-500)((x+2)^2+(y+5)^2-0.05)=0 [-28.86, 28.86, -20.2, 8.68]}