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A line L1 has slope -2/7. State whether the line that passes through (3,-4) and (-4,-2) is parallel or perpendicular to LINE L1. SHOW YOUR WORK!

A line L1 has slope -2/7. State whether the line that passes through (3,-4) and (-4,-2) is-example-1
User Crawler
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Using the form y1 - y2/x1 - x2, we get:
-2 - (-4)/-4 - 3 => -2 + 4/-7 => 2/-7 => -2/7. The slope is the same, therefore the lines are parallel.

Hope this helps.
User Teona
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