Answer:
x=6 OR NEGATIVE 6and undefined
Step-by-step explanation:
it would be x=6 OR NEGATIVE SIX
it's slope would be undefined
it would be x = 6 because all the points on the line are through the line of 6 on the x=axis
the slop would be undefined because that is what it is for straight up vertical lines
I DONT KNOW WHERE THE (0,0) POINT IS
