Concept explainers
To Identify: The relationship that exists among the lines then use a graphing utility to graph the equations in the same window. Adjust the viewing window so that the slope exists appear correct. Use the slopes to verify the results.

Answer to Problem 87E
Explanation of Solution
Given:
Given:
The graph of the function is
Lines having the same slope are parallel
All perpendicular lines have slopes that are negative reciprocal to one another.
From the graph it is concluded that
The slope of line
The slope of
The slope of line
The lines
The line
Chapter 1 Solutions
EP PRECALC.GRAPHING APPR.-WEBASSIGN-1YR
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