Respuesta :

C. 0

Explanation:

Since the slop is rise / run = Y / X,

regardless of the values of X,(Y2 - Y1)= 0, because Y = -2.

(Y2 - Y1) / (X2 - X1) = 0 / (X2 - X1) = 0

in other words the slop is equal to 0.