Question

Two points (4,1) and (4,2) lie on a vertical line. Find the slope of the line that passes through both points. (5 points) m= 0 or no slope undefined slope m=1/2 m = 1

Answer 1

the slope of a vertical line is undefined

Explanation:

its undefined because it doesn't move horizontally. however if you had a horizontal line, the slope would be 0