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4 votes
The lines y equals=3x minus−1 and y equals=ax plus+2 are perpendicular if aequals=​_______.

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User Toolbox
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1 Answer

1 vote
Since perpendicular lines have their slopes as negative reciprocals, the negative reciprocal of the given slope (3) is -1/3. Therefore the a value is -1/3.
answered
User Dan Cearnau
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