Determinants & Cramer’s Rule

Evaluate the determinant of a 2x2 and 3x3 matrix. Apply using determinants toward solving 2x2 and 3x3 systems of equations. Calculating the Determinant. Example #1 Practice Problems Calculate the determinant of the matrix. 1. 2. 3. Example #2 Practice Problems Calculate the determinant of the matrix. 4. 5. Cramer’s Rule (for 2x2) ................
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