The path to learning about linear functions is a straight line. Scholars first learn to connect the slope-intercept form of a linear function to features of its graph. They then see how to write a linear function given two points and to model real-world situations using linear functions.

Concepts

linear functions, math modeling, function notation, slope formula, slope-intercept form

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Additional Tags

math

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Instructional Ideas

• Use the video with learners struggling with the concept
  

Classroom Considerations

• Experience with the slope formula is a must
• Pupils should be familiar with slope-intercept form
  

• This video is hosted on YouTube

Pros

• The use of color coding helps viewers distinguish between positive and negative slopes
• Shows each step of the required work in an organized manner
  

Cons

• None

Common Core

HSF-LE.A.2 HSF-LE.B.5