Solve the System by the Method of Substitution

question 2

Multiple Choice

Solve the system by the method of substitution.

• A) (-2, 1)
• B) (-1, -2)
• C) (1, -2)
• D) (-2, -1)
• E) (2, 1)

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Definitions:

Electricity

A form of energy resulting from the existence of charged particles, used as a power source.

Natural Gas

A fossil fuel used as a source of energy for heating, cooking, and electricity generation, consisting mainly of methane.

Profit Maximizes

A strategy or approach focused on increasing the difference between total revenue and total cost to the highest possible level.

Private Ownership

Private ownership denotes the legal right of individuals or entities to own property or businesses, as opposed to ownership by the government or public bodies.