Solve the System of Linear Equations Using Matrices $$\left\{ \begin{array} { l } 2 x + y = 8 \\2 x + 5 y = - 8\end{array} \right.$$

question 120

Multiple Choice

Solve the system of linear equations using matrices.
- $$\left\{ \begin{array} { l } 2 x + y = 8 \\2 x + 5 y = - 8\end{array} \right.$$

• A) \(( - 4 , - 6 )\)
• B) \(( 6 , - 4 )\)
• C) \(( - 4,6 )\)
• D) \(\varnothing\)

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Definitions:

Units Of Output

The quantity of goods or services produced by a firm, sector, or economy within a given time period.

Measures Of Cost

Various metrics and methods used to quantify the expenses involved in producing a good or providing a service, including fixed, variable, and total costs, which are critical for business decision-making and pricing strategies.

Total Cost

The overall expenses incurred by a firm in producing goods or services, including both fixed and variable costs.

Average-Total-Cost Curve

A graphical representation that shows how the average total cost of production changes as the quantity of output is altered.