It doesn't cost anything to learn about linear functions. Scholars determine a linear function to model the relationship between number of people who buy airplane tickets and the cost of the tickets. They watch a video that shows how to do this process step by step.

Concepts

linear functions, writing equations

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Additional Tags

math

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Instructional Ideas

• Use the video as part of a review
  

Classroom Considerations

• The ability to calculate slope is a prerequisite
• Note that the video only contains one example, so additional instruction may be necessary
  

• This video is hosted on YouTube

Pros

• Displays and explains each required step
• Work is organized and neat
  

Cons

• None

Common Core

8.F.B.4 HSA-CED.A.2