What is the slope of any line perpendicular to the line passing through (−9,35) and (2,2)?
1 Answer
Aug 5, 2018
Explanation:
calculate the slope m using the gradient formula
∙xm=y2−y1x2−x1
let (x1,y1)=(−9,35) and (x2,y2)=(2,2)
m=2−352−(−9)=−3311=−3
Given a line with slope m then the slope of a line
perpendicular to it is
mperpendicular=−1m
mperpendicular=−1−3=13