In this simple video I will explain clearly what row echelon form (REF) actually is and show you a simple worked example of how you can tell if a matrix is in row echelon form and how to find the row echelon form of a matrix.

0:00 Start
0:05 Row Echelon Form Fundamentals
2:42 What's the Point of Row Echelon Form
3:55 Finding the Row Echelon Form of a Matrix Worked Example