Math Example: Solving Linear Systems by Using Matrices: Example 08

Topic

Systems of Equations

Description

 This matrix example solves 4x + 3y = 20 and 3x + 2y = 14 using inverse matrices. The inverse matrix is computed and applied, yielding x = 2 and y = 4. This system demonstrates the method for solving a linear system by solves two equations. The variables x and y represent solutions that satisfy both equations simultaneously.

Systems of equations are foundational in algebra, offering tools to find points of intersection of lines or solutions to real-world problems involving multiple constraints. These examples provide diverse methods to approach and solve such systems, enriching student comprehension.

Multiple worked-out examples are crucial in teaching mathematical concepts. They allow students to see varied approaches, understand subtleties, and gain confidence in applying methods to new problems. Consistent exposure to different examples reinforces learning and encourages adaptability.

Teacher Script: Let us analyze this example. Notice how the two equations, 4x + 3y = 20 and 3x + 2y = 14, are solved using inverse matrices. The inverse matrix is computed , are solved to find values for x and y. Pay attention to the method used and how each step is justified to ensure accuracy.

 For a complete collection of math examples related to Linear Systems click on this link: Math Examples: Linear Systems Collection.