Respuesta :

Answer:

m=1

Step-by-step explanation:

Answer:

y = -x + 7

Step-by-step explanation:

slope between (-8, -1) and (1, 8) is 9/9 or 1

y = mx + b

8 = 1(1) + b

b + 1 = 8

b = 7

y = -1x + 7