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How do you find the slope of a line perpendicular to a given line?
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How do you find the slope of a line perpendicular to a given line?

User Danwellman
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1 Answer

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you have a line:
y=mx+b (slope-intercepted form)
m=slope of this line.

The slope of a line perpendicular to that given line will be: ´"m´"
m´=-1/m.

For example:
y=8x+3
m=8

The solpe fo a line perpendicular to "y=8x+3" is:
m`=-1/8
User Mateusz Pryczkowski
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