Parallel, Perpendicular, or Neither
View the Lesson | MATHguide homepage Updated June 22nd, 2023

Status: Waiting for your answers.


Given:Points A(-11, -3), B(-2, -2), C(9, -11), D(15, -6)
  
Slope Formula
  
Problem:Calculate the slopes of line AB and line CD to determine if they are parallel, perpendicular, or neither.
mAB =  
mCD =  
 
Characteristic: