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Instructional Video

Solve a Linear System of Equations by Graphing (Horizontal and Vertical Lines) - Example

Curated and Reviewed by Lesson Planet

Solve a pretty straightforward system. Pupils view an educational video showing how to solve a system of linear equations by graphing. The system consists of a horizontal line and a vertical line, making the solution apparent in the equations of the lines. Graphing the equations shows learners the found solution is indeed the solution.

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CCSS: Adaptable
Concepts
graphing systems of equations, solving systems by graphing, systems of equations, systems of linear equations, horizontal line, vertical lines
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Instructional Ideas
  • Use the video at the beginning of a unit on finding solutions to systems
  • Ask the class to come up with other systems that would be easily solved
Classroom Considerations
  • Individuals should be familiar with the graphs of horizontal and vertical lines
  • This video is hosted on YouTube
Pros
  • Uses colors to distinguish the two lines
  • Shows two different methods to graph the linear equations
Cons
  • None