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NISA [10]
3 years ago
8

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

Mathematics
2 answers:
frez [133]3 years ago
8 0

Answer:

The answer to this question is C

Helen [10]3 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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