Graph a Direct Variation Equation (Negative Slope) Example 2

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Bypass the table and go straight to the graph. A short video shows one example of graphing a direct variation equation with a negative slope by using the same method as graphing an equation in slope-intercept form. Pupils see it's easy to plot the slope from the origin to create the graph.

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CCSS: Adaptable
Instructional Ideas

  • Compare the method of graphing with graphing using a table
  • Provide a set of practice problems with both positive and negative slopes to graph
Classroom Considerations

  • Individuals should be able to graph lines using slope-intercept form
Pros

  • Uses colors to graph steps of the solution process
  • Graphs multiple points on the plane to show the extent of the complete line
Cons

  • None
Common Core