Respuesta :

Answer:

y=-3x+28

Step-by-step explanation:

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

m=(16-1)/(4-9)

m=15/-5

m=-3

y-y1=m(x-x1)

y-1=-3(x-9)

y-1=-3x+27

y=-3x+27+1

y=-3x+28