Show classes a quick method to graphing. A short video demonstrates how to graph a direct variation equation by comparing it to graphing an equation in slope-intercept form. By seeing the y-intercept is 0, scholars easily plot the slope creating the line for the direct variation equation.

Concepts

direct variation, graphing linear equations, slope-intercept form, slope

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Additional Tags

math

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Instructional Ideas

• Provide opportunities for the class to practice the skill
• Before watching the video, have classmates share how they would tackle graphing the equation

Classroom Considerations

• Assumes the class has knowledge of graphing using slope-intercept form

• This video is hosted on YouTube

Pros

• Uses colors to highlight corresponding values
• Plots several points to show they all fall on the line

Cons

• None

Common Core

SL.8.2 8.EE.B.5 MP2 MP6