1. 3-9 Imaginary Numbers Objective: Classify numbers into sets. Combine like terms with radicals. Introduce and learn to use and simplify and solve equations using imaginary numbers.

2. CComplex RReal Q or IIrrational QRational ZIntegers W Whole NNatural

3. Combining Like Terms with Radicals

6. Definition of i

8. Simplify r1 r2 r3 r0

9. Simplify r1 r2 r3 r0

10. is imaginary using

11. Simplify

13. Any number in the form of a + bi is a complex number. (real) (pure imaginary) (complex)

14. Simplify (8 – 5i) + (2 + i) (4 + 7i) – (2 + 3i)

15. Simplify (4 + 2i)(3 – 5i)

16. Solve. x 2 + 4x + 5 = 0