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?????

2 answers

What would make a slope undefined?

A slope is defined as the change in y over the change in x. (Or vice versa).

Hint: Anything divided by zero is undefined.
So wat do I do?
do I divide y by x?