By: Jeffrey Bivin Lake Zurich High School Last Updated: October 30, 2006.

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Presentation transcript:

By: Jeffrey Bivin Lake Zurich High School Last Updated: October 30, 2006

The Imaginary Unit Jeff Bivin -- LZHS

More about Imaginary Numbers Jeff Bivin -- LZHS

This is fun! Jeff Bivin -- LZHS

Complex Numbers For any real numbers a and b, the number a + bi is a complex number. Examples: Jeff Bivin -- LZHS

Addition & Subtraction Example 1 Example 2 Example 3 Jeff Bivin -- LZHS

Multiplication Example 1 Example 2 Jeff Bivin -- LZHS

Graphing Complex Numbers Jeff Bivin -- LZHS

Solve using the Quadratic Formula x 2 + 6x + 13 = 0 a = 1 b = 6 c = 13 Jeff Bivin -- LZHS

Solve using the Quadratic Formula 3x 2 + 7x + 5 = 0 a = 3 b = 7 c = 5 Jeff Bivin -- LZHS

Solve using the Quadratic Formula 3x 2 - 2x + 5 = 0 a = 3 b = -2 c = 5 Jeff Bivin -- LZHS