Instructional Video

Determine Solutions to Systems of Linear Equations Graphically (Example)

Curated and Reviewed by Lesson Planet

Picture the solution. The Mathispower4u Algebra I video uses three examples of finding the solution of a system of linear equations given as a graph. Pupils use their knowledge of linear graphs to also identify the equations for the two graphed lines.

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CCSS: Adaptable
Instructional Ideas
  • Conduct a mini-lesson on the meaning of being a solution to a system
  • Lead a discussion on when solving by graphing may not be the best choice
Classroom Considerations
  • Individuals should be able to convert linear equations into slope-intercept form
  • This video is hosted on YouTube
Pros
  • Uses colors to identify the different lines
  • Provides mathematical terms to describe the types of systems such as consistent and independent
Cons
  • None