4.6 Cramer’s Rule System of 2 Equations System of 3 Equations

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Presentation transcript:

4.6 Cramer’s Rule 1 2 3 System of 2 Equations System of 3 Equations Practice Problems

Cramer’s Rule Remember how much fun it was to solve systems of equations by: Substitution? Elimination? Cramer’s Rule is a third method

Systems of 2 Equations

2 Equation Example Use Cramer’s Rule to solve the system of equations

2 Equation example (Cont.) Evaluate each determinant Simplify Solution Set: (4, -1)

Systems of 3 Equations

3 Equation Example

3 Equation Example (Cont.)

Practice Problems Page 192 Problems 4-9, 12-19, 26-29