Question

What is the slope of (2, 7) and (2, -6).

Answer 1

The slope m of a line with points x1,y1 and x2,y2 is defined as

m = y2 - y1/x2 - x1

Given the points (2, 7) and (2, -6)

m = -6 -7/2 - 2

= -13/0

This is undefined