Question

Find the slope of the line that passes through (4,2) and (4,5)

Answer 1

Answer: Undefined

Step-by-step explanation:

(slope = m)

$m=\frac{y_2-y_1}{x_2-x_1}=\frac{5-2}{4-4}=\frac{3}{0}$

(3 divided by 0 is undefined, so the slope is undefined)