Respuesta :
line N has slope m = [tex]\frac{1}{6}[/tex]
given a line with slope m then the slope of a line perpendicular to it is
[tex]m_{perpendicular}[/tex] = - [tex]\frac{1}{m}[/tex]
thus line N has slope - [tex]\frac{1}{- 6}[/tex] = [tex]\frac{1}{6}[/tex]