How can one equation have more than one solution? Well, if it has two variables, the solutions can be endless! Individuals explore the concept using a video tutorial that demonstrates finding multiple solutions to a linear equation in two variables. The narrator begins with finding the x- and y-intercepts and then two additional points.

Concepts

solving equations, linear equations, solutions, systems of equations, systems of linear equations

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Additional Tags

math

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Instructional Ideas

• Pair the video with additional lessons from the same publisher to create a complete a unit on graphing linear equations
• Have learners graph their points to verify they are on the line represented by the equation

Classroom Considerations

• Requires the ability to substitute and solve a multi-step equation

• This video is hosted on YouTube

Pros

• Shows all steps in the calculations 
• Separates important information using different colors for added organization

Cons

• None

Common Core

SL.8.2 SL.9-10.2 SL.11-12.2 RST.6-8.7 RST.9-10.7 RST.11-12.7