Concept explainers
To find whether the slope of two lines given are parallel, perpendicular or neither.
Answer to Problem 5CE
The lines are perpendicular..
Explanation of Solution
Given:
The slope of two lines are
Calculation:
Two lines are parallel when they have same slope.
Two lines are perpendicular when product of there slope is
Since, the product of slopes of given line is
Therefore, the lines are perpendicular.
Chapter 13 Solutions
McDougal Littell Jurgensen Geometry: Student Edition Geometry
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