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Matrices Operations
The info in this powerpoint came from coolmath.com
http://www.coolmath.com/algebra/24-matrices/01-whats-a-matrix-01
Make sure that you take notes and write down examples.
What is a matrix?
Make sure that you know the dimensions of a matrix!!!
1.
2.
1 x 4
2 x 5
3 x 3
A.
B.
C.
-21710-8
D.
Adding and Subtracting Matrices
1.
2.
(-5)12 60 87
09- (-4)8 )3(5
7 6 15
9- 4 8
A.
13- 8
4- 3
NOT POSSIBLEB.
C.
Scalar Multiplication
1.
2.
YOU TRY:
14 6
8- 0
7 3
4- 02
7 4-
3 6
+
A. B.
+2 5 -3-
11 7
1 8
46- 1
63 42
C. D.
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