Question

what is the slope of the line that passes through the points (4,-2) and (4,10)? write your answer in simplest form

Answer 1

x = 4

Explanation:

m = (y2-y1)/(x2-x1)

m = (10 - -2)/(4 - 4) = 12/0

so slope is undefined

therefore the line is a vertical line, which is x = 4