Irrational and Complex Roots and Intercepts (3.9)

0:02 Introduction

0:26 Example 1: Finding the Nonreal Roots

2:30 Reminder: Square Root of a Negative Number

5:53 Writing Factored Form from Nonreal Roots

7:43 Example 2: Finding the Irrational Roots

10:11 Writing Factored Form from Irrational Roots

12:01 The Fundamental Theorem of Algebra