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Homework Help
Precalculus Mathematics Homework Help
Graphs, functions, and coordinates
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[QUOTE="Mark44, post: 6137935, member: 147785"] Parallel lines have the same slope. The slope of the second line is -2. What must be the slope of the first line? Why not call the lines L1 and L2? Greek letters are almost never used as labels for lines. [/QUOTE]
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Graphs, functions, and coordinates
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