Writing Equations for Parallel Lines

Make connections between geometry and algebra concepts. Using a point on a side of a geometric figure and the equation of the line that contains the parallel opposite side, learners find the unknown equation of the line. They write the equation in point-slope form.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Review finding the equation of a line given the slope and a point
  • Have those that struggle draw the figure on the coordinate plane
Classroom Considerations
  • Individuals should know the slope-intercept form for a line
  • Includes a video of a teacher using a questioning technique
  • Contains descriptions of misconceptions
  • None
Common Core