Solve Using Cramerʹs Rule $$\begin{array} { l } 2 x _ { 1 } + 3 x _ { 2 } = 26 \\- 2 x _ { 1 } + 4 x _ { 2 } = 2\end{array}$$

question 18

Multiple Choice

Solve using Cramerʹs rule.
- $$\begin{array} { l } 2 x _ { 1 } + 3 x _ { 2 } = 26 \\- 2 x _ { 1 } + 4 x _ { 2 } = 2\end{array}$$

• A) \(( - 4,7 )\)
• B) \(( 7,4 )\)
• C) \(( 4,7 )\)
• D) \(( - 7 , - 4 )\)

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Definitions:

Total Revenue

The total income received by a firm from the sale of its goods or services, calculated as the unit price multiplied by the quantity sold.

Market Demand

The total quantity of a good or service that all consumers in a market are willing and able to purchase at different prices during a specified time period.

Positive Profits

Earnings that exceed the total costs, indicating a financially beneficial outcome.

Equilibrium Price

The price at which the quantity of goods supplied is equal to the quantity of goods demanded in a market, leading to market stability.