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Are the following lines parallel, perpendicular, or neither? L1 through (–4, –7) and (1, 3) L2 through (2, 6) and (4, 10) could someone explaint this to me.

Robbie024

by Robbie024 at December 07, 2010

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Robbie -The slope of a line will tell you if it is parallel (the slopes will be equal), perpendicular (the slopes will be negative reciprocals) or the slopes could be neither parallel or perpendicular.So, just find the slope for each line using the formula for slope:(y1-y2)/(x1-x2).Hope this helps! 

Steve204 Steve204 December 07, 2010

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