Question

what is the equation of the parabola with vertex at 2 6 and y 7 as directrix
a)y=1/3(x-4)^2+2
b)y=1/12(x-4)^2+2
c)x=1/3(y-4)^2+2
d)x=1/12(y-4)^2+2
PLEASE HELP

Answer 1

can you tell me what is focus?

Answer 2

it doesnt give me the focus

Answer 3

but you have directrix and vertex, so you can know where the focus is

Answer 4

i dont know how to do that