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2 years ago

Which line is perpendicular to a line that has a slope of -1/3?

Mathematics

2 answers:

frez [133]2 years ago

8 0

Answer:

The answer to this question is C

Helen [10]2 years ago

7 0

Hello from MrBillDoesMath!

Answer: line EF

Discussion: Two lines, L1 and L2, with slopes m1 and m2 are perpendicular if

m1 * m2 = -1. In our case m1 = -1/3 so the slope of the perpendicular line is 3.

( 3 * (-1/3) = -1). The line with slope 3 is rising as x gets larger. The only line shown fitting this is line EF. Note that line AB is "falling" as x increases so it can not possibly be the answer.

Regards, MrB

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