Which One of the Following Is the Variable Matrix for the Following

question 27

Multiple Choice

Which one of the following is the variable matrix for the following systems of equations? $\left\{\begin{array}{r}5 x-2 y+6 z=9 \\6 x+2 z=4 \\2 y=3\end{array}\right.$

• A) \(\left[\begin{array}{lll}
• x & y & z \\
• x & y & z \\
• x & y & z
• \end{array}\right]\)
• B) \(\left[\begin{array}{l}
• 9 \\
• 4 \\
• 3
• \end{array}\right]\)
• C) \(\left[\begin{array}{lll}
• x & y & z
• \end{array}\right]\)
• D) \(\left[\begin{array}{ccc}
• 5 x & -2 y & 6 z \\
• 6 x & 0 y & 2 z \\
• 0 x & 2 y & 0 z
• \end{array}\right]\)
• E) \(\left[\begin{array}{l}
• x \\
• y \\
• z
• \end{array}\right]\)

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Definitions:

Union Workers

Employees who are members of a labor union, an organization that represents workers in negotiations with employers over wages, benefits, and working conditions.

Disputes

Conflicts or disagreements that arise in economic transactions or between parties over resources, contracts, policies, or regulations, often requiring negotiation or legal intervention to resolve.

Union Wage Advantage

Union wage advantage refers to the higher wages that unionized workers typically earn compared to their non-union counterparts.

National Output

The total value of all goods and services produced by an economy within a specific period, often measured as Gross Domestic Product (GDP).