Respuesta :

AL2006
The slope of the line between those two points is

     (the difference in y-values)
divided by
     (the difference in x-values in the same direction).

That's     (22-6) / (20-12)  =  (16/8)  =  2 .
change in y / change in x

(22 - 6) / (20 - 12)

16 / 8

2

Slope = 2.