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Systematically take an algebraic approach. Learners view an informative video that works four examples of solving a system of equations using substitution. The presenter works through the process of finding the solutions for each system. Of the four systems, two have one solution, one has no solution, and one has infinitely many solutions.
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CCSS:
Adaptable
Instructional Ideas
- Conduct a mini-lesson on the algebraic representation of the solutions of the equations for the three types of solutions of linear systems
- Lead a discussion on how to determine the best equation to solve for one of the variables
Classroom Considerations
- Assumes the class knows how to solve a complex linear equation in one variable
- This video is hosted on YouTube
Pros
- Provides a list of steps to follow
- Shows all the procedural steps in solving the equations as well as the solution
Cons
- None