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Parallel lines have no solution. Learners watch the presenter graph two linear equations to find the solution to a system of equations in an informative algebra video. They see that the two lines are parallel resulting in no solution to the system.
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CCSS:
Adaptable
Concepts
Instructional Ideas
- Lead a discussion on how to determine if two lines are parallel by looking at the slopes in y-intercepts
Classroom Considerations
- Assumes the class understands how to graph equations in slope-intercept form
- The beginning of the video contains email notifications that could be distracting for some
- This video is hosted on YouTube
Pros
- Uses two colors to identify the lines
- Provides a review of the types of solutions possible
Cons
- None