1. 1.2 Adding And Subtracting Complex Numbers

2. Adding and Subtracting (add or subtract the real parts, then add or subtract the imaginary parts)
Ex:
Ex:
Ex:

3. 1.3 Powers of i and Multiplying Complex Numbers

4. *For larger exponents, divide the exponent by 4, then use the remainder as your exponent instead.
Example:

6. Multiplying Treat the i’s like variables, then change any that are not to the first power
Ex:
Ex:

7. Your Turn!

8. Your Turn!

9. Conjugates: Two complex numbers of the form a + bi and a – bi are complex conjugates. The product is always a real number
Ex:

10. 1.3 Dividing Complex Numbers

11. Writing in Standard Form

12. Writing in Standard Form

13. Your Turn!