Question

Find the vertex, focus, directrix, and focal width of the parabola.

Answer 1

-1/20x^2=y @ganeshie8

Answer 2

i know the vertex is (0,0)

Answer 3

and the directrix is 5

Answer 4

and the focal wiidth is 80

Answer 5

what is the focus ? helppp @ganeshie8

Answer 6

can someone help me

Answer 7

@ganeshie8 HELPPP

Answer 8

Focus (-a,0)
Where 4a=1/20
a=1/80
Focus (-1/80,0)

Answer 9

these are my options Focus: (-10, 0) or Focus: (0, -5) @bradely

Answer 10

x^2=-20y
Focus (0,-a)
Where 4a=20
a=5
Focus (0,-5)