Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Invertible Change of Basis Matrix

9th - 10th Standards
A video lesson explaining how to convert between traditional Cartesian coordinates and coordinates with respect to a given basis by using an invertible change of basis matrix. Includes two concrete examples in R2. [13:34]
Instructional Video
Khan Academy

Khan Academy: Invertible Change of Basis Matrix

9th - 10th Standards
Using an invertible change of basis matrix to go between different coordinate systems.