Matrices - The Basics | CSEC Maths

This video shows the basics of working with matrices - addition, subtraction, and scalar multiplication. Use the times below to jump to specific parts of the video: 00:00 - Overview of the video 03:22 - Matrices basics - definition, elements, rows, columns order, types 15:47 - Addition of matrices 21:40 - Subtraction of matrices 26:26 - one example of using non 2x2 matrices 27:35 - scalar multiplication with matrices 29:14 - combining scalar multiplication with addition and subtraction 32:35 - recap and summary 33:47 - closing words (important) If you have any questions about any of the examples please leave them in the comments section. If you have any requests for topics you can leave them in the comments section as well. I hope you found this video helpful :-) Follow us on Instagram for motivation, tips, and jokes, and follow us on Facebook for full solutions to CSEC exams.