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Instructional Video

Solve a System of 2 Equations with 2 Unknowns by Graphing on the TI84 (Example)

Curated and Reviewed by Lesson Planet

Let the technology do the graphing. Learners watch a helpful algebra video that shows how to use a graphing calculator to solve a system of linear equations. The presentation works through one example using a TI-84 to solve a system and then verifies the solution is correct.

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CCSS: Adaptable
Concepts
graphing systems of equations, solving systems by graphing, systems of linear equations, graphing, graphing equations, graphing linear equations, slope-intercept form
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Instructional Ideas
  • Lead a discussion about when technology provides a better solution to a system
Classroom Considerations
  • Individuals should be comfortable using the TI-84 graphing calculator
  • Pupils need to be able to convert linear equations into slope-intercept form
  • This video is hosted on YouTube
Pros
  • Shows all the steps in converting to slope-intercept form
  • Highlight the calculator buttons to use to find the intersection
Cons
  • None