Respuesta :

Answer:

-3

Step-by-step explanation:

-9 - 6 --> -15

over

1-(-4) -->5

-15/5 = -3

Answer:

-3

Step-by-step explanation:

The slope m=dy/dx

dx=1-(-4)=1+4=5

dy=-9-6=-15

The slope m=(-15)/(5)=-3