This lesson from the HSC Algebra 2/Trigonometry course introduces augmented matrices as a method for solving systems of equations.
...
https://www.youtube.com/watch?v=JTvcrCaRhUU
This is part of a series of arithmetic lessons created for my grandkids, but I'm opening them to the world. You can access an annotated index with links on my Math Without Borders website here: https://mathwithoutborders.com/the-grandpa-project
...
https://www.youtube.com/watch?v=ygFrf8B0b0s
This is part of a series of arithmetic lessons created for my grandkids, but I'm opening them to the world. You can access an annotated index with links on my Math Without Borders website here: https://mathwithoutborders.com/the-grandpa-project
...
https://www.youtube.com/watch?v=2tkgnV4nuzQ
The last chapter of the Foerster Precalculus text is an introduction to limits, derivatives, and integrals. This video is from the introductory section of that chapter.
...
https://www.youtube.com/watch?v=b7CfazLo7Sg
This is part of a series of arithmetic lessons created for my grandkids, but I'm opening them to the world. You can access an annotated index with links on my Math Without Borders website here: https://mathwithoutborders.com/the-grandpa-project
...
https://www.youtube.com/watch?v=O0iKx-EVE8M
This is part of a series of arithmetic lessons created for my grandkids, but I'm opening them to the world. You can access an annotated index with links on my Math Without Borders website here: https://mathwithoutborders.com/the-grandpa-project
...
https://www.youtube.com/watch?v=mDBE5gK88ZU