Respuesta :

Answer:

y=-2x-20

Step-by-step explanation:

y=mx+b

m=(y2-y1)/(x2-x1)

m=(-5+4)/(-6+8)

m=-1/2

y=-1/2x+b

-4=-1/2(-8)+b

-4=4+b

-8=b

y=-1/2x-8

Hope this helped! Please mark brainliest :)