Textbook Question
In Exercises 37–44, use Cramer's Rule to solve each system. x + y + z = 4x - 2y + z = 7x + 3y + 2z = 4
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7. Systems of Equations & Matrices
Determinants and Cramer's Rule
Back7. Systems of Equations & Matrices
Determinants and Cramer's Rule
- Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. x + 2z = 102y - z = - 52x + 3y = 13679views
- Textbook Question
In Exercises 45–48, explain why the system of equations cannot be solved using Cramer's Rule. Then use Gaussian elimination to solve the system.
699views - Textbook Question
In Exercises 46–51, evaluate each determinant.
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In Exercises 45–48, explain why the system of equations cannot be solved using Cramer's Rule. Then use Gaussian elimination to solve the system.
601views - Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.623views
- Textbook QuestionSolve each equation. = 8486views
- Textbook Question
Solve each equation.
533views - Textbook QuestionEvaluate each determinant in Exercises 49–52. 4 2 8 - 7- 2 0 4 15 0 0 54 0 0 - 1547views
- Textbook Question
Evaluate each determinant.
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Use the determinant theorems to evaluate each determinant. See Example 4.
571views - Textbook QuestionEvaluate each determinant in Exercises 49–52. - 2 - 3 3 51 - 4 0 01 2 2 - 32 0 1 1588views
- Textbook Question
Evaluate each determinant.
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Use the determinant theorems to evaluate each determinant. See Example 4.
523views - Textbook QuestionIn Exercises 53–54, evaluate each determinant. | | 3 1| |7 0| || |- 2 3| |1 5| || || | 3 0| |9 - 6| || | 0 7| |3 5| |579views