7_3 - 7.3 Solving Linear Systems with Matrices Algebra 2 13...

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Unformatted text preview: 7.3 Solving Linear Systems with Matrices Algebra 2 13 7.3 SOLVING LINEAR SYSTEMS WITH MATRICES Learning Targets 1. Write a system of equations in matrix form. 2. Use a calculator to solve a system of equations with matrices. A fourth way to solve systems of equations is using matrices. A matrix is simply a way to organize the information. A matrix is organized into rows and columns. The rows are horizontal and the columns are vertical. We describe matrices by their rows and columns. For example, a matrix with 3 rows and 2 columns would be a 3 x 2 matrix. We are going to let the calculator do the math with the matrices, so we will focus solely on how to write a system of equations in matrix form. Example 1: Describe this matrix. 5 2 1 7 5 8 9 3 6 7 11 Example 2 : Write the system of equations in matrix form 2 5 3 5 14 x y x y Solving a Matrix equation is a little different from solving a normal equation because division of matrices is not allowed. Solving a Matrix equation is a little different from solving a normal equation because division of matrices is not allowed....
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7_3 - 7.3 Solving Linear Systems with Matrices Algebra 2 13...

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