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This Geometric Interpretations of the Solutions of a Linear System lesson plan also includes:
- Geometric Interpretations of the Solutions of a Linear System - Teacher Version (doc)
- Geometric Interpretations of the Solutions of a Linear System - Student Version (pdf)
- Geometric Interpretations of the Solutions of a Linear System - Student Version (doc)
- Grade 8 Module 4: Teacher Materials
- Grade 8 Module 4: Student Materials
- Grade 8 Module 4: Copy Ready Materials
- Math Fluency Support for Grades 6-8
- Answer Key
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An intersection is more than just the point where lines intersect; explain this and the meaning of the intersection to your class. The 26th segment in a 33-part series uses graphing to solve systems of equations. Pupils graph linear equations on the same graph and determine the point of intersection. They verify the point is a solution to the system by showing it is a solution to each of the equations.
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Instructional Ideas
- Conduct a short review on creating appropriate scales to read the point of intersection
- Lead a discussion on why it is not enough to verify the solution in only one equation
Classroom Considerations
- The problem set requires graph paper
Pros
- Handouts are available in various formats
- The answer key shows the steps used to verify the solutions
Cons
- None