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

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asked Dec 24, 2019 144k views

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

Mathematics
high-school

Toolbox asked

by Toolbox

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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.

Dan Cearnau answered Dec 30, 2019

by Dan Cearnau

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