Respuesta :

Answer:

-2

Step-by-step explanation:

in math, slope is identified as'm'

slope formula (m) = change in y-values

                                change in x-values

m = 5 - 1   =  4/-2 or -2/1

      0 - 2

or

m = 1 - 5  = -4/2 or -2/1

      2 - 0