Good Morning, Precalculus!To prepare for class:1. Take out your DO NOW sheet and start today's DO NOW!

Do Now:

Convert the points below to rectangular coordinates.

A

B

C

Do NowA(2, 105o)

B(4, 300o)

C(6, 180o)

Upcoming Assignments

Due Monday:Mixed Review

Your Unit 12 TEST is scheduled for Friday, May 3!

Today's Agenda:1. Do Now2. Today's Objective3. Objectives 3&4: Converting and Graphing Complex Numbers4. Mixed Review

Today's Objective

Unit 12, Objective 3: I will be able to write complex numbers in polar form and

rectangular form.Unit 12, Objective 4: I will be able to

graph complex numbers in the complex plane in rectangular and polar form.

Section 9-6, pgs. 586-591

Converting and Graphing Complex Coordinates

New Vocabulary

Modulus: The absolute value of a complex number. Represented by r in polar coordinate form.

New Vocabulary

Modulus: The absolute value of a complex number. Represented by r in polar coordinate form.

Amplitude of a Complex Number: When a complex number is written in polar form, this is the angle θ (argument).

Mixed Review

Work to complete the mixed review.

Pair up and work with a partner if you want.

What you don't finish you must complete for HW.