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4 votes
If m = 4 and m = -4, are they parallel or perpendicular or neither?

User Nechehin
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3 votes
Neither. Parallel they have to be the same
User Bob Dem
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3 votes

parallel lines have the same slope ie 4=4

perpendicular lines have negative reciprocal slopes ie 4, -1/4

so it is neither

User Thum Choon Tat
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