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.

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

Common Core

SL.8.2 SL.9-10.2 MP6 MP7 8.EE.C.8.a 8.EE.C.8.b HSA-REI.C.6