Use Gaussian Elimination and Matrices to Solve the System of Linear

question 93

Multiple Choice

Use Gaussian elimination and matrices to solve the system of linear equations. Write your final augmented matrix in triangular form and then solve for each variable using back substitution.
- $$\begin{aligned}x + y + z & = 3 \\x - y + 2 z & = 5 \\4 x + y + z & = - 3\end{aligned}$$

• A)(-2, 1, 4)
• B)(-2, 4, 1)
• C)(4, -2, 1)
• D)(4, 1, -2)

Comprehend the decision-making processes within groups.

Recognize the importance of composition factors in group dynamics.

Understand the roles and functions of group members and leaders.

Understand the specialized types of research that involve group dynamics.

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