# What is the slope of any line perpendicular to the line passing through #(-9,8)# and #(-1,1)#?

##### 2 Answers

May 20, 2018

#### Explanation:

First find the slope of this line:

formula for a perpendicular slope is

May 20, 2018

#### Explanation:

find the slope of the two given points

from the two points slope formula:

perpendicular slope means the reciprocal in the opposite sign

so