Solve the System of Linear Equations Below by the Method

question 53

Multiple Choice

Solve the system of linear equations below by the method of elimination. $\left\{ \begin{array} { c } \frac { 5 } { 6 } x - \frac { 11 } { 12 } y = - \frac { 11 } { 18 } \\\\- \frac { 1 } { 2 } x + \frac { 3 } { 4 } y = \frac { 2 } { 3 }\end{array} \right.$

• A) \(\left( - \frac { 11 } { 12 } , \frac { 1 } { 2 } \right)\)
• B) \(\left( \frac { 11 } { 12 } , \frac { 3 } { 2 } \right)\)
• C) \(\left( - \frac { 1 } { 12 } , \frac { 1 } { 3 } \right)\)
• D) \(\left( - \frac { 1 } { 4 } , \frac { 7 } { 4 } \right)\)
• E) \(\left( \frac { 5 } { 4 } , - \frac { 3 } { 2 } \right)\)

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Definitions:

Midpoint Method

A method employed in economics for determining demand or supply elasticity through calculating the mean of the initial and final prices and quantities.

Price Elasticity

A measure of how much the quantity demanded or supplied of a good or service changes in response to a change in its price.

Strategic Leader

A person who guides an organization towards long-term goals by making visionary decisions and inspiring others.

Sense of Urgency

The perception and attitude that tasks need to be completed promptly and efficiently to achieve results or meet deadlines.