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Is the slopes 4 and -4 perpendicular, parallel, or neither?
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15 votes
Is the slopes 4 and -4 perpendicular, parallel, or neither?

User Tijmen
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5.2k points

1 Answer

8 votes
Perpendicular = opposite sign and reciprocal slope
Parallel = same slope

Answer: neither
User Geirha
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5.0k points
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