Respuesta :

The formula for slope is:

[tex]m=\frac{y_{2}-y_{1}}{x_{2}-{x_{1}}[/tex]

So just plug in the values:

[tex]m=\frac{-9-6}{-6+9}=\frac{-15}{3}=-5[/tex]

So [tex]m=-5[/tex]!