In this 22-minute lesson, I discuss Cramer’s rule for solving systems of linear equations — when it can be used and the Cramer’s formulas. At the beginning, there are also a few introductory remarks about systems of linear equations.
Table of Contents:
- What is a system of linear equations? (the concept [00:40]
- When can we use Cramer’s rule for a system of linear equations? (definition) [01:32]
- Solving system of equations using Cramer’s rule — Example 1 [05:30]
- Solving system of equations using Cramer’s rule — Example 2 [12:47]
- Solving system of equations using Cramer’s rule — Example 3 [16:17]
- warunki stosowalności metody Cramera [18:17]
Homework
Download Answers to Homework (PDF)