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Which lines are perpendicular?
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Which lines are perpendicular?

Which lines are perpendicular?-example-1
User Fsl
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1 Answer

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The slopes of the given lines are ...
A) 1/2
B) -1/2
C) 2
D) 1/2

Only one pair of these slopes has a product of -1. That is (-1/2)*(2) = -1.

The perpendicular lines are B and C.
User Richard Greenwood
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7.4k points
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