Solve the System $\left(\begin{array}{rlll}2 x&+&5 y&-&3 z & =&-13 \\5 x&-&2 y&+&4 z & =&34 \\&&4 y&+&z & =&-10\end{array}\right)$

question 91

Multiple Choice

Solve the system. $\left(\begin{array}{rlll}2 x&+&5 y&-&3 z & =&-13 \\5 x&-&2 y&+&4 z & =&34 \\&&4 y&+&z & =&-10\end{array}\right)$

• A) x = 0, y = -5, z = 1
• B) x = 4, y = -3, z = 2
• C) x = 3, y = -6, z = 4
• D) x = 0, y = -4, z = 4

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Definitions:

Industrial Regulation

The imposition of rules by the government on firms and industries to promote competition, control monopoly power, protect consumers, and regulate prices and service quality.

Production Costs

Expenses incurred in the process of manufacturing or producing goods, including materials, labor, and overhead costs.

Industrial Regulation

Involves government rules and policies aimed at controlling the practices, standards, and market entry of firms in specific industries to prevent unfair practices and promote competition.