Complex Numbers 1

Introduction to the Imaginary unit (imaginary number) i which is the square root of -1, and complex numbers. Several examples are provided, showing how to simplify square roots of negative numbers, define pure imaginary numbers, state the standard form of a complex number, and identify the real and imaginary parts of a complex number in standard form. More free youtube videos by Julie Harland are organized at http://yourmathgal.com<br />For more great math videos visit: www.youtube.com/user/videosbyjulieharland/videos<br />CCSS alignment: 7.EE.2 , 8.EE.7