Solve the System of Equations by Using the Inverse of the Coefficient

question 40

Multiple Choice

Solve the system of equations by using the inverse of the coefficient matrix.
- $$\begin{array}{l}9 x-2 y+5 z=78 \\2 x+3 y-9 z=-50 \\3 x-8 y+6 z=49\end{array}$$

• A) \( (6,-1,7) \)
• B) \( (1,7,1) \)
• C) \( (5,-1,-7) \)
• D) \( (5,1,7) \)

Gain insight into the role of marketing executives in problem identification and strategy formulation.

Understand the impact of external competition on business performance.

Enhance skills in citing illustrative examples to elucidate theoretical concepts.

Understand the concept and implications of different reward systems (gainsharing, share-ownership, job status rewards).

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Definitions:

Apparel Store

A retail establishment that specializes in selling clothing, accessories, and often footwear to consumers.

Opportunity Recognition

The ability to identify new business opportunities or ideas that could be viable for investment or development.

Loose-Tight Leadership

A leadership style that combines elements of flexibility and strict control, allowing for innovation while maintaining order.

Exploring Creative Ideas

The process of seeking out new and innovative solutions or concepts beyond conventional boundaries.