Skills Check Perform the indicated operation. Find the area & perimeter of the rectangle. 3. Perimeter = ____ 4. Area = ____ 2x + 1 2x – 3.

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Presentation transcript:

Skills Check Perform the indicated operation. Find the area & perimeter of the rectangle. 3. Perimeter = ____ 4. Area = ____ 2x + 1 2x – 3

Powers of i and Complex Operations

Add to the sheet “I one, I one!!” Negatives in the middle.

Try these!

Graphing in the Complex Plane

The Complex Plane

Identify the points A B C D

Add and Subtract Complex Numbers

Add/Subt Complex Numbers 1.Treat the i’s like variables 2.Combine the real parts then combine the imaginary parts 3.Simplify (no powers of i higher than 1) 4.Write your answer in standard form a + bi

Add/Subt Complex Numbers

Multiplying Complex Numbers

1.Treat the i’s like variables 2.Change all imaginaries (i) that are not to the first power 3.Simplify 4.Write your answer in standard form a + b i

Multiplying Complex Numbers

Conjugates

Conjugate

Dividing Complex Numbers

CW/HW Complex Numbers – Practice Worksheet