Constructing a Perpendicular at a Point on a Line

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=gpvocxPBvPc

Worked example by David Butler. Featrures a problem where we are given a line and a point, and we need to find the equation of the line that passes though the point, meets the line and is perpendicular to the line. (Note that the equation of the line was calculated in a different YouTube video • EXAMPLE: Finding the equation of a li... )

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