Lesson Plan

The Graph of a Linear Equation—Horizontal and Vertical Lines

Curated and Reviewed by Lesson Planet

Graph linear equations in standard form with one coefficient equal to zero. The lesson plan reviews graphing lines in standard form and moves to having y-coefficient zero. Pupils determine the orientation of the line and, through a discussion, realize all equations of that form will have the same orientation. They move on to the x-coefficient of being zero.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Input the equation for a horizontal or vertical line into a graphing calculator and view the table it creates
  • Have the class identify the equation of a given graph
Classroom Considerations
  • Requires graph paper
  • The 14th segment of the 33-part series
Pros
  • Answer key uses color to make the graphs visible
  • Lesson is designed around an example followed by a discussion
Cons
  • None
Common Core