Question

A. What is the slope of the line passing through the points (2,3) and (2,-3)?

b. Is the line horizontal, vertical or neither?

Answer 1

The slope is the change in Y over the change in X:

Slope = (-3 - 3) / (2 -2) = 0/0

Since the slope contains a division of 0, it is undefined, therefore the answer would be neither.