A line with an undefined slope passes through the points (-2,1) and (p, q).
Which of the following points could be (p, q)?
A. (1,0)
B. (0,1)
C. (0,-2)
D. (-2,0)
Help Me, I do not know how to figure this out?????
A person tried helping me with this, but I didn't understand what they meant, please help