1. Chapter 4 Section 1 Organizing Data into Matrices

2. Matrix – (plural: matrices) is a rectangular array of numbers written within brackets Represented by a CAPITAL letter Classified by dimensions rows X columns by

3. Matrix A 2 X 3 Rows Columns

4. What are the dimensions of each matrix? 3 X 3 1 X 3 4 X 1

5. Matrix Element – each number in a matrix Matrix Element – each number in a matrix Identified with a lower case letter with subscripts of row and column Identified with a lower case letter with subscripts of row and column Identify each matrix element. g 22 g 13 g 21 Element g 12 is in the first row and second column 12310.4

6. Book Examplesp. 165 & p. 166