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Examine the usefulness of matrices when solving linear systems of higher dimensions. The lesson asks learners to write and solve systems of linear equations in four and five variables. Using matrices, pupils solve the systems and apply the solution to answer the application questions. This is the 17th lesson in a 29-part series.
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Instructional Ideas
- Use the scaffolding suggestions to differentiate within the classroom
- Create collaborative groups to complete each exercise; discuss solutions as a whole group
Classroom Considerations
- Requires graphing calculators or similar technology to calculate inverse matrices
- This is the 17th lesson in a 29-part series
Pros
- Anchors all questions with context to reinforce the purpose of the concept
- Includes a good selection of practice problems to assign as homework
Cons
- None