We’ve started the second section of Unit 4, learning about complex and imaginary numbers. This is a new category of number, much like irrational or negative numbers, that mathematicians developed to handle equations that they previously had no ability to solve. We watched two videos to introduce this topic, but I recommend you watch the full story found here.

Your homework tonight is HW 4.9 – Introduction to Complex Numbers. You can find the notes for this assignment here.

**Cumulative IXL Review Modules **(newly added modules are in **bold**)

- L.4 – Simplify radical expressions with variables I
- L.5 – Simplify radical expressions with variables II
- L.6 – Nth roots
- L.7 – Multiply radical expressions
- L.8 – Divide radical expressions
- L.9 – Add and subtract radical expressions
- L.10 – Simplify radical expressions using the distributive property

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