Respuesta :

Step-by-step explanation:

let ,(-3,-8)=(X2,y2)

(-3,5) =(x1,y1)

then

slope (M) =

[tex](y2 - y1 ) \div x2 - x1)[/tex]

={(-8)-5 }÷{(-3)-(-3)}

= -13÷ 0

=0