Lesson 7.4 Summary
Completion requirements
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For further information about parallel and perpendicular lines, see pp. 383 - 390 of Mathematics 10. |
| Video Set 1:
Parallel, Perpendicular, or Neither? (Video 1 under development) |
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| Video 2:
Slopes of Perpendicular Lines (Video under development) |
| Video 3:
Slopes of Parallel Lines - Solving for a Variable |
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| Video 4:
Slopes of Perpendicular Lines - Solving for a Variable (Video under development) |
| Video Set 5:
Writing Equations of Lines |
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Parallel lines have equal slopes and perpendicular lines have slopes that are negative reciprocals. These relationships can be used to help make sense of situations where parallel or perpendicular lines are involved.