Coolmath Algebra
Lines Lesson 14 - Perpendicular Lines
(page 3 of 3)
---- This algebra lesson introduces perpendicular
lines and explains how to find the equation of a line that
passed through a given point and is perpendicular to a given
line. |
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STEP 2:
Use the point-slope formula with (
1 , 3
)
and
m =


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and |
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and see if
they |
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really look perpendicular. |
TRY IT:
Find the equation of
the line that passes through the point ( -2 , 2 ) and is
perpendicular to the line

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prohibited. |
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