Matrices Top 10 Must Knows (ultimate study guide)

In this video, we'll dive into the top 10 essential concepts you need to master when it comes to matrices. From understanding the basics of what a matrix is, to performing matrix operations, finding the inverse, calculating determinants, and applying Cramer's Rule—we've got it all covered. We'll also explore reduced row echelon form and how to use matrices to solve systems of linear equations. Hopefully this video helps! Don't forget to check out our free math resources at jensenmath.ca for additional practice and support! 0:00 - What is a matrix? 3:11 - Basic Operations 6:01 - Elementary Row Operations 11:05 - Reduced Row Echelon Form 19:43 - Matrix Multiplication 22:22 - Determinant of 2x2 27:17 - Determinant of 3x3 31:26 - Inverse of a Matrix 36:48 - Inverse using Row Reduction 42:31 - Cramer's Rule