Will award ! ! urgent!

the directix of a parabola can be:

a) horizontal

b) vertical

c) horizontal or vertical

d) neither

in advance!

It is A) horizontal. The directix lies directly above the vertex of a parabola, and it is a straight horizontal line.
Hope it helps :)

A) because the directix it the line in which the parabola does not pass through so it can only go though the horizontal because the parabola never ends given that its a line and it slanted so it will always pass through the y axis but if the vertex is above the x axis then it will never pass below it.