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. Make sure that you know the dimensions of a matrix!!!
1 x 4 A. 2 x 5 B. 3 x 3 C.
D. -2 1 7 10 -8
Adding and Subtracting Matrices 1.
2.
A.
NOT POSSIBLE B. C.
Scalar Multiplication
1.
2.
YOU TRY: A. B. +
C. D. +2 5 -3 -