KAM K.

# Which line is perpendicular to the line y = x + 5 ?

y = 1/2x - 5

y = - 1/2x + 5

y = 2x + 10

y = - 2x + 10

## 3 Answers By Expert Tutors

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Ben P. answered • 05/30/13

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Vartouhi G. answered • 05/27/13

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Christopher H.

This is not correct. The coefficient in front of x is always the slope. If y = -2x + 10, then the slope is -2.

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06/11/13

Cynthia N.

How can you be a math tutor, and get such an obvious question so wrong!

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07/20/13

Hello F.

in y=2x+10, 2 is the slope, NOT 1. If y has no number in front of it and the mx+b side is already simplified from 2(x+5) into 2x+10, nothing needs to be simplified... sorry this is from 2013.
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11/07/17

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