Parallel, Perpendicular, or Neither
View the Lesson | MATHguide homepage Updated March 24th, 2018

Status: Waiting for your answers.


Given:Points A(-4, -12), B(3, -9), C(-2, -4), D(5, -1)
  
Slope Formula
  
Problem:Calculate the slopes of line AB and line CD to determine if they are parallel, perpendicular, or neither.
mAB =  
mCD =  
 
Characteristic: