We continued our work with chapter 13 today by taking a look at how to use slope to determine if lines are parallel or perpendicular. Parallel lines have the same slope, while perpendicular lines have slopes that are negative reciprocals of each other. These algebra concepts are ones that we then used to evaluate various figures that we graphed using points that were supplied. We went through a couple of examples together before getting started on the homework.
Assignment: section 13-3; page 536; CE #1-9; page 537; WE #1-3, 5, 6, 9-11, 13
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