I explain how and work through an example of finding an inverse matrix of a 3x3 matrix. This Gaussian Elimination method will work for any NxN square matrix where n is greater than two. This is an excerpt of this full length lesson, https://www.youtube.com/watch?v=eq3ZVJ9kP3M
Check out http://www.ProfRobBob.com, there you will find my lessons organized by class/subject and then by topics within each class. Find free review test, useful notes and more at http://www.mathplane.com
Tagged under: inverse,inverse matrix,inverse matrix,inverse matrices,matrix,matrices,3x3,nxn,4x4,Invertible Matrix (Invention),Linear Algebra (Field Of Study),gaussian elimination,row operations,tarrou,tarrou' chalk talk,profrobbob
Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.
Add multiple choice quizzes, questions and browse hundreds of approved, video lesson ideas for Clip
Make YouTube one of your teaching aids - Works perfectly with lesson micro-teaching plans
1. Students enter a simple code
2. You play the video
3. The students comment
4. You review and reflect
* Whiteboard required for teacher-paced activities
With four apps, each designed around existing classroom activities, Spiral gives you the power to do formative assessment with anything you teach.
Carry out a quickfire formative assessment to see what the whole class is thinking
Create interactive presentations to spark creativity in class
Student teams can create and share collaborative presentations from linked devices
Turn any public video into a live chat with questions and quizzes