Today’s Objective : Today’s Objective To be able to add and subtract Matrices.
A Matrix : A Matrix A matrix is a rectangular arrangement of numbers into rows and columns.
4 -2 9 0 3 -5 This is a 2 by 3 Matrix.
A Matrix : A Matrix 2 Rows and 3 Columns.
4 -2 9 0 3 -5
Adding Matrices : Adding Matrices 1.) -3 -2 6 -8
5 -7 -9 6 Add the Corresponding parts of each matrix.
Subtracting Matrices : Subtracting Matrices 1.) -3 -2 6 -8
5 -7 -9 6 Subtract the corresponding parts of each matrix.
Adding Matrices : Adding Matrices 4 -2 9 -1 0 0 3 -5 3 7
Matrices Cannot be added if they don’t have the same # of Rows & Columns
You try these : You try these 1.) -3 -2 6 -8
5 -7 -9 6
2.) 3 -7 4 -3
7 -1 7 8
3.) -5 7 -6 5
-3 -9 -1 7
You try these : You try these 1.) -3 -2 6 -8
5 -7 -9 6
2.) 3 -7 4 -3
7 -1 7 8
3.) -5 7 -6 5
-3 -9 -1 7
You try these : You try these 1.) -3 -2 6 -8
5 -7 -9 6
2.) 3 -7 4 -3
7 -1 7 8
3.) -5 7 -6 5
-3 -9 -1 7 3 -10
-4 -1 7 -10
14 7 1 2
-2 -16
You try these : You try these 4.) 0 -3 -6 0
-1 4 3 1
5.) 1 1 4 -3
1 1 7 0
6.) -5 7 5 -7
-3 -9 3 9
You try these : You try these 4.) 0 -3 -6 0
-1 4 3 1
5.) 1 1 4 -3
1 1 7 0
6.) -5 7 5 -7
-3 -9 3 9
You try these : You try these 4.) 0 -3 -6 0 6 -3
-1 4 3 1 -4 3
5.) 1 1 4 -3 -3 4
1 1 7 0 -6 1
6.) -5 7 5 -7 0 0
-3 -9 3 9 0 0