How to find the inverse of a 3x3 matrix WITHOUT a calculator~

Wednesday, October 22, 2008 11:25 AM

Since the question may arise at some point, here's a link that may prove to be enlightening:

FYI, this is NOT something that we will be teaching in Algebra II. This is why we have graphing calculators =)

To access your textbooks online:

Pre-AP/TAG Algebra II (Holt)

Algebra II Regular (Prentice Hall)

Other useful links & resources:

Holt Online (go.hrw.com) - homework help, lesson videos, and more
Prentice Hall Math (phschool.com) - homework help, lesson quizzes, and more (this is where you can put in those "web codes" from the textbook for help)
Ask Dr. Math - why is math important in real life? You wouldn't be the first person that's asked...
Graph Sketcher - an interactive graphing tool. Way nice.
Math Tools - collection of tools and resources (this one would've been nice for the chapter 6 test)
McNeil High School Website and Home Access Center (where you can check your grades online).
Charles A. Dana Center Teaching Resources - Activities and lessons for all levels of math.