Question

Find the vertex, focus and equation of the directrix for the conic given by (x + 1)^2 = -20(y - 3).

Answer 1

Hello,

The conic is a parabola ,

vertex (-1,3)

focus : (-1,-2)

directrix: y=8

equation: y= - 1/20x²-1/10*x+59/20

solution in picture