Concept explainers
To find: Whether the given lines are parallel, perpendicular, or neither.
Answer to Problem 21OE
The given lines
Explanation of Solution
Given information:
The equations of two lines are given
Formula used:
Slope intercepts form
For parallel lines
For perpendicular lines
From the given equations,
Slope of the line
Slope of the line
The slope of the given equations does not satisfy the conditions of parallel and perpendicular lines. Therefore we can conclude that the given lines are perpendicular.
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Algebra and Trigonometry: Structure and Method, Book 2
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