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) \( (5,1,7) \)

Explain the importance of scaffolding in supporting learning and development in early childhood.

Understand the concept of marginal benefit and how it influences decision-making.

Apply marginal analysis to various scenarios to determine optimal decision-making.

Comprehend the relationship between marginal cost and marginal benefit in maximizing profit or utility.

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Definitions:

Strategic Planning

Procedures for making decisions about the organization’s long-term goals and strategies.

Balanced Scorecard

A management and planning methodology aimed at aligning organizational activities with its vision and strategy, enhancing communication both internally and externally, while tracking the organization's performance in relation to its strategic objectives.

Strategic Alignment

The process of aligning an organization's resources and actions with its strategic objectives to achieve long-term goals.

Target Forecasting

The process of estimating future sales, revenue, or other quantitative metrics based on historical data, market trends, and business analysis.