Respuesta :

Answer:

[tex]{ \tt{slope = \frac{1}{3} }}[/tex]

Step-by-step explanation:

[tex]{ \tt{m _{1} \times m _{2} = - 1}} \\ { \tt{ - 3 \times m _{2} = - 1}} \\ { \tt{m _{2} = \frac{1}{3} }}[/tex]