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Matrices

Day 1 Videos

1. Matrices Introduction/Vocabulary

http://www.virtualnerd.com/algebra-2/matrices/introduction-data/matrix-definition/definition

2. Add Matrices without technology

http://www.virtualnerd.com/algebra-2/matrices/operations/add-subtract/add-example

3. Subtract Matrices without technology

 

http://www.virtualnerd.com/algebra-2/matrices/operations/add-subtract/subtract

4. Add and Subtract Matrices with technology

http://www.bing.com/videos/search?q=youtube+matrix+on+ti-84%2c+add+and+subtract&FORM=VIRE5&adlt=strict#view=detail&mid=9D0E3EC66E59483097FF9D0E3EC66E59483097FF

Day 4 Videos

Inverse & Determinant

There are different notations for determinants and inverse.  Look at your worksheet and notice the examples given below.

#2 & #8, that notation means to find the determinant. 

#4 & #6, that notation mean to find the inverse.

Below is the video for using technology to find the inverse and determinant of a SQUARE matrix. It has to be a square matrix!! A SQUARE matrix has the same dimensions. 

http://www.bing.com/videos/search?q=you+tube+determinant+with+ti-84&FORM=VIRE2&adlt=strict#view=detail&mid=D878CA9F6B902AE39D0BD878CA9F6B902AE39D0B

 

 

Day 5 Videos

1. Review - What is a system of equations?

http://www.bing.com/videos/search?q=you+tube+systems+of+equations+with+t184+with+matrices&FORM=VIRE2&adlt=strict#view=detail&mid=AAB774C47B6205A67254AAB774C47B6205A67254

2. Solve a system of equations using matrices.

http://www.bing.com/videos/search?q=you+tube+systems+of+equations+with+t1-84+with+matrices&qpvt=you+tube+systems+of+equations+with+t1-84+with+matrices&FORM=VQFRML&adlt=strict#view=detail&mid=5DE35DD546C3997384E35DE35DD546C3997384E3