Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter4: Graphs
Section4.5: Use The Slope–intercept Form Of An Equation Of A Line
Problem 4.111TI: Use slopes to determine if the lines 5x+4y=1 and 4x+5y=3 are perpendicular.
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Question
Two nonvertical lines have slopes m1 and m2, respectively.
The lines are parallel if and the
are unequal; the lines are perpendicular if .
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