Copy of Slopes of Parallel & Perpendicular Lines

Find the relationship between slopes of parallel lines. Use your calculator to find the slopes.
Perpendicular lines
Find the relationship between slopes of perpendicularl lines. Use your calculator to find the slopes.
Make the green and red line parallel to x axis. What is the slope of red line?
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– Sivakumar Srividya, John Sweeney

Information: Copy of Slopes of Parallel & Perpendicular Lines