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

Status: Waiting for your answers.


Given:Points A(0, -10), B(9, -7), C(-10, 7), D(-6, 8)
  
Slope Formula
  
Problem:Calculate the slopes of line AB and line CD to determine if they are parallel, perpendicular, or neither.
mAB =  
mCD =  
 
Characteristic: