Instructional Video

Solving Systems of Equations with Cramer's Rule

Curated and Reviewed by Lesson Planet

Show how matrices can be helpful for solving systems of equations. The video illustrates an example of solving a two-variable system utilizing Cramer's Rule. The instructor shows how to find the determinant of each matrix and then uses those determinants to find the x- and y-values of the solution.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Create a guided notes document for learners to complete while watching the video
  • Flip your classroom by assigning the video as homework and utilizing class time for questions and practice
Classroom Considerations
  • Assumes a familiarity with matrices
  • This video is hosted on YouTube
  • Reviews how to find the determinant of a 2 x 2 matrix during the example
  • Organizes the work well to allow pupils to follow the instruction through the multi-step process
  • None
Common Core