Select the Ordered Pair That Is a Solution of the System

question 6

Multiple Choice

Select the ordered pair that is a solution of the system of equations.​ $$\left\{ \begin{array} { l } 2 x - y = 3 \\8 x + y = - 18\end{array} \right.$$

• A)(-6, \(- \frac { 3 } { 2 }\) )
• B)(3,6)
• C)( \(- \frac { 3 } { 2 }\) ,-6)
• D)( \(\frac { 3 } { 2 }\) ,6)
• E)(-3,-6)

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Definitions:

Law of Diminishing Returns

An economic principle stating that if one factor of production is increased while other factors are held constant, the resulting increase in output will eventually decrease.

Fixed Input

Production factor that cannot be varied.

Technological Improvement

A process of innovation where new technologies or improvements to existing ones increase the efficiency or effectiveness of products, services, or processes.

Diminishing Returns

A principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot increase proportionally.