Respuesta :

Answer:

C. 1/7

Step-by-step explanation:

Slope:

[tex]\sf\dfrac{y_2-y_1}{x_2-x_1} [/tex]

y2=(-5)

y1=(-4)

x2=1

x1=8

Solve.

(-5)-(-4) change to (-5)+4.

(-5)+4=-1

1-8=-7

m=-1/-7

Divide by 1.

-1/1=-1

-7/1=-7

[tex]\sf\dfrac{-1}{-7}=\dfrac{1}{7} [/tex]

m=1/7

The slope of line AB is 1/7, which is our answer.