1. Imaginary Numbers

2. You CAN have a negative under the radical. You will bring out an “i“ (imaginary).

3. Powers of i (The i Chart)

4. “I one, I one!!” Negatives in the middle. Reference

5. Simplify

6. Complex Number Standard Form (add this to your notes)

7. Add and Subtract Complex Numbers

8. Add/Subt Complex Numbers 1.Treat the i’s like variables 2.Combine like terms 3.Simplify (no powers of i higher than 1 are allowed) 4.Answer in standard form a + bi

9. Simplify

14. Multiplying Complex Numbers (no powers of i higher than 1 are allowed in your answer)

15. Multiplying Complex Numbers

18. Dividing Complex Numbers (no powers of i in the denominator are allowed in your answer)

19. What is a Conjugate? Example: (2 – 4i)

20. 17. Dividing – Multiply top & bottom by the Conjugate

21. 18. Dividing – Multiply top & bottom by the Conjugate