Matrices

Topic/AOS Overview

• This topic includes:
• • use of matrices to store and display information that can be presented in a rectangular array of rows and columns such as databases and links in social and road networks
• • types of matrices (row, column, square, zero and identity) and the order of a matrix
• • matrix addition, subtraction, multiplication by a scalar, and matrix multiplication including determining the power of a square matrix using technology as applicable
• • use of matrices, including matrix products and powers of matrices, to model and solve problems, for example costing or pricing problems, and squaring a matrix to determine the number of ways pairs of people in a network can communicate with each other via a third person
• • inverse matrices and their applications including solving a system of simultaneous linear equations.

Assessment Tasks Overview

• Matrix SAC

Learning Goals/Success Criteria

• Chapter 5 -Matrices

Other Activities/Excursions

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