Solve the System of Equations by the Substitution Method $$\begin{array} { r } - 4 \mathrm { x } - 2 \mathrm { y } = 22 \\\mathrm { x } = 5 \mathrm { y }\end{array}$$

question 113

Multiple Choice

Solve the system of equations by the substitution method.
- $$\begin{array} { r } - 4 \mathrm { x } - 2 \mathrm { y } = 22 \\\mathrm { x } = 5 \mathrm { y }\end{array}$$

• A) \(\{ ( - 5 , - 1 ) \}\)
• B) \(\{ ( - 1 , - 5 ) \}\)
• C) \(\{ ( - 5,1 ) \}\)
• D) \(\{ ( - 4 , - 1 ) \}\)

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Definitions:

Duopolists

Two firms that dominate a particular market, often engaging in strategic interaction that impacts pricing, production, and market share.

Collude

When two or more firms work together to control prices, limit supply, or thwart competition in a way that distorts market outcomes.

Monopoly Price

The price a monopolist sets, which is higher than the competitive price, due to the lack of competition in the market.

Competitive Level

Competitive level refers to the intensity of rivalry among firms in a market, affecting pricing, innovation, and market strategy.