This product contains a unit on matrices at the precalculus level. There are fill-in-the-blank style notes that you can print and copy for your students. I've included answer keys for all notes, worksheets, and the quiz. Here is a list of topics in this product:
Matrix operations - addition, subtraction, multiplication
Matrix transformations - translations, reflections, rotations, dilations
Solving 3 variable systems using reduced row echelon form and augmented matrices
Determinants and inverse