Section 7.2
Systems of Linear Equations: Three Variables
Solving 3x3 linear systems algebraically; classifying solutions.
4 lessons. Pick what you need.
Play videos:
Lesson
Lesson Solving Systems of Linear Equations with Matrices (Gauss-Jordan Method)
Lesson
Lesson Solving a System of 3 Equations with the Gauss-Jordan Method
Lesson
Lesson on the Gauss-Jordan Method and No Solutions or Infinite Solutions
Examples