Use Matrices to Solve the System of Equations (If Possible)

question 94

Multiple Choice

Use matrices to solve the system of equations (if possible) . Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.

• A)x = 5, y = -2, z = -6
• B)x = 2, y = -5, z = 6
• C)x = -2, y = -5, z = 6
• D)no solution
• E)x = 2, y = 5, z = 6

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Definitions:

Activity-Based Costing

A costing method that assigns overhead and indirect costs to specific activities, providing a more accurate picture of the costs associated with producing a product.

Machine-Hours

The total number of hours that machinery is operating, used in cost accounting to assign machine-related costs to items.

Round Calculations

The process of adjusting numerical values to a specified degree of precision, often used in financial and statistical analysis to simplify figures.

Machine-Hours

A measure of production time, quantifying the hours a machine is operated in the manufacturing of a good.