Using Inverse Matrices Solving Systems. You can use the inverse of the coefficient matrix to find the solution. 3x + 2y = 7 4x - 5y = 11 Solve the system.

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Presentation transcript:

Using Inverse Matrices Solving Systems

You can use the inverse of the coefficient matrix to find the solution. 3x + 2y = 7 4x - 5y = 11 Solve the system using inverse matrices The formula to find the solution is: Set up a matrix equation to find the solution.

2x - 4y = 9 Solve the system using inverse matrices The formula to find the solution is: Set up a matrix equation to find the solution. 3x - 2y = 1

x + 4y = 8 Solve the system using inverse matrices The formula to find the solution is: Set up a matrix equation to find the solution. 2x - 2y = -6

Solve the system using inverse matrices Set up a matrix equation to find the solution. The formula to find the solution is:

Practice: Page 45 #1-10 worksheet