Matrices Top 10 Must Knows (ultimate study guide)

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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