Solving Systems of Equations Using Matrices

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Presentation transcript:

Solving Systems of Equations Using Matrices Chapter 4, Section 8 Chapter 3, Section 5

Writing Systems as Equations

Solving Systems Using Matrices Step 1: Write the system as a matrix equation. Step 2: Find the inverse of the coefficient matrix. Step 3: Multiply the inverse by the constant matrix. The result is the answer.

Example – Solve the system.

Example – 3x3 System

Classwork Page 26 in workbooks Page 18 in workbooks EXIT SLIP: Odd numbers Page 18 in workbooks Even numbers EXIT SLIP: Would you rather solve systems using matrices or using the graphing technique? Explain your answer.