Respuesta :

Hi1315

Step-by-step explanation:

[tex] \frac{y1 - y2}{x1 - x2} \\ \frac{3 - 3}{ - 3 - 1} \\ \frac{0}{ - 4} \\ = - 4[/tex]
Slope=(y2-y1)/(x2-x1)
=(3-3)/(1+3)
=0/4
=0