Respuesta :

Answer:

[tex]y=-\frac{1}{5} -7.[/tex]

Step-by-step explanation:

1) the rule: if two lines are y=k₁x+b₁ and y=k₂x+b₂ are perpendicular, then k₁*k₂=-1;

2) according to the rule above, the correct answer is y= -1/5 x-7.