Lesson 1-5

The Complex NumbersThe Complex Numbers

Objective:Objective:

Objective:Objective:

To add, subtract, multiply, and To add, subtract, multiply, and divide complex numbers.divide complex numbers.

Real Numbers:Real Numbers:

Real Numbers:Real Numbers:

Numbers consisting of zero and Numbers consisting of zero and all positive and negative all positive and negative

integers, rational numbers, and integers, rational numbers, and irrational numbers.irrational numbers.

Complex Numbers:Complex Numbers:

Complex Numbers:Complex Numbers:

Any number in the form Any number in the form a + bia + bi, , where where aa and and bb are real numbers are real numbers

and and i i is the imaginary unit.is the imaginary unit.

Complex Numbers:Complex Numbers:

Simplify:Simplify:

Simplify:Simplify:

Simplify:Simplify:

Simplify:Simplify:

Simplify:Simplify:

Simplify:Simplify:

Express in the form Express in the form a + bia + bi..

Show that is a square rootShow that is a square root

of .of .

Assignment:Assignment:

Pgs. 28-29Pgs. 28-29C.E.C.E. 1-11 all, 1-11 all,

W.E.W.E. 1-19 odd 1-19 odd