Question

What is the slope of any line perpendicular to the line passing through `(2,17)` and `(8,-2)`?

Answer 1

The slope of the line passing through `(2,17)` and `(8,-2)` is

`L=(-2-17)/(8-2)=-19/6`

Let `S` the slope of the perpendicular line then we have that

`L*S=-1=>S=-1/L=>S=6/19`