Algebra 2 Unit 1: Matrices lesson 1
The other videos in this unit are:
Matrix multiplication part 1: https://youtu.be/KgPpcUd4unU
Matrix multiplication part 2: https://youtu.be/2h0h3g3x9ww
Inverse matrices for 2x2 and 3x3 matrices: https://youtu.be/YevojAj7xV0
Determinant of a 2x2 matrix, inverse of a 2x2 matrix: https://youtu.be/NbnpiA2UWqg
Solving 3x3 systems using elimination: https://youtu.be/GxgxVDTTjmE
Matrices on the calculator: https://youtu.be/H2cjBYe8-Xw
Solving systems of equations using inverse matrices: https://youtu.be/t-4zqBuF-nA
Extra Cramer's rule: https://youtu.be/9zZhsWSv9Lo
