Solve the System of Linear Equations by the Substitution Method

question 9

Multiple Choice

Solve the system of linear equations by the substitution method. 8x = -3y - 15
5x - 8y = 40

• A) {(-2, -4)}
• B) {(0, -5)}
• C) No solution. The system is inconsistent.
• D) {(2, -2)}

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Definitions:

Demand Function

A mathematical formula that describes the relationship between the quantity of a good demanded and its price, along with other factors such as income and price of related goods.

Market Share

The percentage of total sales in a market captured by one company or product.

Perceived Market

This term suggests a market as understood or interpreted by individuals or businesses, which may not accurately reflect the actual market structure or dynamics. NO.

Demand Function

A mathematical formula that describes the relationship between the quantity of a good demanded and its various determinants like price, income, and prices of related goods.