If the slope and y-intercept aren't known, just find them. Scholars watch a short video that covers an example of writing an equation of a line in slope-intercept form given a table of values. They learn to apply the slope formula to find the slope, algebraically determine the y-intercept, and use these values to write the equation.

Concepts

linear equations, table of values, slope formula, slope-intercept form

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Additional Tags

math

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Instructional Ideas

• Have the class view the video as part of a review session
  

Classroom Considerations

• Pupils should be familiar with the slope formula
• There is an Example 2 video for the same concept
• Note that the video uses the phrase vertical intercept
  

• This video is hosted on YouTube

Pros

• Shows each step of the work in an organized manner
• Explanations are easy to follow
  

Cons

• None

Common Core

8.F.B.4 HSF-LE.A.2