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How do you find a perpendicular line?

Updated: 4/28/2022
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Wiki User

15y ago

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Given y = 2x

the slope of that line is simply 2,

A perpendicular line would have the negative inverse of 2, -1/2 or -.5

thus y = 2x is perpendicular to y = -.5x

Y = -(1/Mx) + b

is perpendicular to:

Y= Mx + b

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