We continued our work with coordinate geometry today by taking a look at the slopes of parallel and perpendicular lines. We used these two types of lines to do our first coordinate proofs, showing that various figures have either perpendicular or parallel lines based on their slopes. We also used the distance formula to confirm whether or not parts of figures were congruent.
Assignment: Section 13-3; page 536-538; CE #1-9; WE 1-16 (skip #7, 8, and 12)
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