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Algebra 2 Notes February 24, 2009 1. 2. Write the dimensions of each matrix: Use the matrices from #1. Identify each matrix element (refer to pg 169 example 2 for help): Add corresponding elements ◦ To add or subtract two matrices they must have the exact same dimensions Find each sum: Find the following difference: Zero Matrix: A matrix who’s elements are all zeros. Examples: and Additive Inverses: Matrix Equation: Equation in which the variable is a matrix. Solve for the matrix X! Solve the following matrix equation for the matrix X: Solve the following equations for the variables x and y: Page 170 #2-4, 9-11, 14, 27 Page 178 #2, 3, 6, 7, 10, 11, 17