U 3 S 1 L 3 Multiplying Complex

Connecting Ideas How do you multiply radicals and polynomials? Multiplying complex numbers is similar

Multiply Polynomials Review: 1) (4 x)(5 x) 2) 5 x 2(x + 3) 3)

Multiply Polynomials • To multiply polynomials, we multiplied regular numbers and put exponents of

Multiply Radicals • To multiply radicals, we multiplied regular numbers and radicals. • We

Making Connections • Using what you know about polynomials and radical expressions, how do

Multiply Complex Numbers • How would you explain the process of multiplying complex numbers

Summary Answer the essential question in complete sentences. How do you multiply complex numbers?

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U 3 -S 1 -L 3 Multiplying Complex Numbers Essential Question: How do you multiply complex numbers?

The Number System

Connecting Ideas How do you multiply radicals and polynomials? Multiplying complex numbers is similar to other concepts. Let’s make connections to develop mastery.

Multiply Polynomials Review: 1) (4 x)(5 x) 2) 5 x 2(x + 3) 3) (x – 4)(x + 3)

Multiply Polynomials • To multiply polynomials, we multiplied regular numbers and put exponents of variables together. • We used Distributive Property and FOIL.

Radical Expressions Review: 1) 2) 3)

Multiply Radicals • To multiply radicals, we multiplied regular numbers and radicals. • We simplified to reduce radicals. • We used distributive property and FOIL.

Making Connections • Using what you know about polynomials and radical expressions, how do you think we will multiply complex numbers? • What should we watch out for? • What kinds of values may need to be simplified?

Multiply Complex Numbers • How would you explain the process of multiplying complex numbers to another student? • Write summarized steps in your notes.

Summary Answer the essential question in complete sentences. How do you multiply complex numbers? • STUDY QUESTIONS: Write 3 -5 study questions in the left column to help study and explain the notes.