Answer:
- [tex]\frac{8}{9}[/tex]
Step-by-step explanation:
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] = - [tex]\frac{1}{\frac{9}{8} }[/tex] = - [tex]\frac{8}{9}[/tex]
