Question

Find the slope and the equation for the line passing through the points: (-1,-4) and (-1, -3).

Answer 1

X = 1

Explanation:

(- 1,- 4) and (- 1, - 3)

m = (y-y) / (x-x)

m = (-3 - - 4)/(- 1 - - 1)

m = 1/0

Slope is undefined (vertical line)

X= -1