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This Perpendicular Lines instructional video also includes:
How are the slopes of perpendicular lines related? It turns out they are always opposite reciprocals. A video instructor emphasizes this fact with graphs, examples, and symbolic representations. He follows that instruction with demonstrations of writing the equation of perpendicular lines.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Pair with the video on parallel lines from the same author
- Flip your classroom by assigning the video lesson as homework; use class time to complete the practice problems
Classroom Considerations
- Requires the skills needed to write a linear equation given a point and slope
Pros
- Provides an answer key to practice problems
- Incorporates color to emphasize important concepts
Cons
- None