
Concept explainers
To determine if the given lines are parallel, perpendicular, or neither.

Answer to Problem 33PPS
Given lines are neither parallel nor perpendicular.
Explanation of Solution
Given information :
Here we shall determine the slope of the both lines using the points of both lines.
We know that the slope of a line is given by the formula,
Slope of line AB is,
Slope of line CD is,
Hence their slope is neither equal nor their product is -1. Hence they are neither parallel nor perpendicular.
The graph is,
Red line is AB.
Blue line is CD.
Chapter 3 Solutions
Geometry, Student Edition
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