Demonstrate how to write a linear equation knowing only two points that it passes through. A straightforward video lesson introduces the gradient (or slope) formula to begin writing the equation. Then, using substitution, viewers find the y-intercept to write the complete linear equation.

Concepts

linear equations, linear equations writing, ordered pairs

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Additional Tags

math

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Instructional Ideas

• Encourage pupils to graph their equations after writing them to check their accuracy

Classroom Considerations

• Learners should already have a solid understanding of linear equations and their components
• Monitor the YouTube comments to ensure they are appropriate if viewable by young individuals

• This video is hosted on YouTube

Pros

• Provides links to important background information
• Emphasizes key formulas and vocabulary throughout

Cons

• None

Common Core

SL.9-10.2 HSA-CED.A.2 RST.9-10.7