This Solving Systems of Linear Equations in Two Variables instructional video also includes:
How do you solve systems of two linear equations in two variables? Viewers first learn about how solutions to a system of linear equations corresponds to the intersection of their graphs. Eighteen problem videos cover a variety of approaches, including graphing, the substitution method, and the elimination method.
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Concepts
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Instructional Ideas
- Pick and choose videos that match your needs
Classroom Considerations
- Concept video is a basic review of systems of equations; learners should have previously encountered systems of equations
- Problem videos that cover solving systems by graphing use a TI graphing calculator
- Problem 17 uses a system of equations with a quadratic equation and linear equation
Pros
- Word problems leading to systems of equations use a variety of contexts
- Well-paced and easily understood explanations
Cons
- One of the videos (Problem 18) does not involve a system of equations
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