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Evaluate Determinants & Apply Cramer’s Rule

Evaluate Determinants & Apply Cramer’s Rule. Determinant of a 3X3 Matrix. 2. 1. 3. 4. 5. 6. +. +. -. +. +. -. -1). 1=45. Cramer’s Rule for a 2X2 System. Use Cramer’s rule to solve this system. x = . 9x + 4y = -6 3x – 5y = -21. = . = . = . x = -2. y = . = . = . = .

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Evaluate Determinants & Apply Cramer’s Rule

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  1. Evaluate Determinants & Apply Cramer’s Rule

  2. Determinant of a 3X3 Matrix 2 1 3 4 5 6 + + - + + - -1) 1=45

  3. Cramer’s Rule for a 2X2 System Use Cramer’s rule to solve this system x = 9x + 4y = -6 3x – 5y = -21 = = = x = -2 y = = = = y = 3

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