Today's assignment:
- Complete Exercises p. 540-541 #5-8
If you need more help with lines, check out the series of videos on the Khan Academy starting with
the Slope of a Line video
The formula for shortest/perpendicular distance between a point and a line is shown here
http://www.intmath.com/plane-analytic-geometry/perpendicular-distance-point-line.php
The proof is also on the page if you are interested.
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