We have started Unit 4, a unit working extensively with radical expressions. We can treat these expressions as a class of numbers in their own way, with their own “rules” for adding, subtracting, multiplying, and dividing them. Today we started with adding/subtracting.

## Today’s Files

- Notes
- HW 4.1 – Adding/Subtracting Radicals
- Lesson Video (adding/subtracting)