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This When Can We Reverse a Transformation? 1 lesson plan also includes:
- When Can We Reverse a Transformation? 1 (Doc)
- When Can We Reverse a Transformation? 1 (PDF)
- When Can We Reverse a Transformation? 1 (Doc)
- Pre-Calculus Module 1: Teacher Materials
- Pre-Calculus Module1: Student Materials
- Pre-Calculus Module 1: Copy Ready Materials
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Wait, let's start over — teach your class how to return to the beginning. The first instructional activity looking at inverse matrices introduces the concept of being able to undo a matrix transformation. Learners work with matrices with a determinant of one and set up a system of equations to find the appropriate inverse matrix.
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Instructional Ideas
- Have the class members calculate the determinant of the matrix and its inverse to begin seeing a pattern
Classroom Considerations
- The class should be familiar with the Pythagorean identity for trigonometry
- Class members need to be able to solve systems of equations
- The lesson is the 29th installment in a unit of 32
Pros
- The answer key shows the systems of equations your class must solve
- The teacher notes provide anticipated responses to discussion questions
Cons
- Question one in the problem set asks for a description of a formula that has not be fully developed in the lesson