Respuesta :

Answer:

The inverse reciprocal.

The slope of a perpendicular line is always the inverse reciprocal.

Answer:

3

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

m - slope

b - y-intercept

The slope m of a perpendicular line is always the inverse reciprocal.

Therefore, our mperpendicular  is 3.