# What is the slope of any line perpendicular to the line passing through #(43,25)# and #(38,20)#?

##### 1 Answer

Apr 6, 2018

See a solution process below:

#### Explanation:

The formula for find the slope of a line is:

Where

Substituting the values from the points in the problem gives:

Let's call the slope of a perpendicular line:

The slope of a line perpendicular to a line with slope

Substituting the slope for the line in the problem gives: