1. 9/26 Warm Up 1)Find the vertex of f(x) =algebraically. Is it a maximum or minimum? 2) Use Synthetic Division to find f(1) if f(x) = 3) Simplify the radical:

2. Agenda Warm Up #6 HW ??’s - wksht - p. 223 #5, 7 and p. 183 #31, 42, 43 Obj 3.3 continued - Complex Numbers Notes & Practice (wksht) Hand back 2B, pass out any needed corrections Progress Reports, my progress report Looking Ahead…. Test 2 Deadline – Wednesday 2/29

3. Objective 3.3: Complex Numbers 9/26 Notes

4. B. Adding and Subtracting Complex Numbers: Ex 1.] (7 – 3i) + (4 + 5i) Ex 2.] (2 – i) – (8+3i)

5. C. Multiplying Complex Numbers Ex 1.] Ex 2.] (2 + 3i)(5 – i)

6. D. Simplifying Complex Expressions Simplify the following and write in Standard Form: Ex 1.] Ex 2.] Ex 3.] Ex 4.]

7. Ex 1.] What is the complex conjugate: Ex 2.] What is the complex conjugate: E. Complex Conjugate

8. Write in Standard Form: Ex 1.] Ex. 2]

9. Homework p. 57 #5-11 odd, 17, 19, 25 Get progress report signed Test 1 Deadline: Friday- 9/28