Solve the System by Using the Inverse of the Coefficient $$\begin{array} { l } 3 x + 5 y = - 10 \\- 3 x - 6 y = 9\end{array}$$

question 321

Multiple Choice

Solve the system by using the inverse of the coefficient matrix.
- $$\begin{array} { l } 3 x + 5 y = - 10 \\- 3 x - 6 y = 9\end{array}$$

• A) \(\{ ( 5 , - 1 ) \}\)
• B) \(\{ ( - 5,1 ) \}\)
• C) \(\{ ( 1 , - 5 ) \}\)
• D) \(\{ ( - 1,5 ) \}\)

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Definitions:

Split-off Point

The stage in the manufacturing process where joint products are recognizable as separate products and can be individually processed further or sold.

Split-off Point

The stage in a production process where multiple products become individually identifiable and their costs can be separately assigned.

Outsourcing

The practice of hiring external firms to handle work normally performed within a company, often to cut costs or focus on core capabilities.

Activity-based Costing

A costing methodology that assigns overhead and indirect costs to related products and services based on their consumption of resources.