Use Cramer's Rule to Find the Solution of the System

question 9

Multiple Choice

Use Cramer's rule to find the solution of the system, if possible.

• A)x = 1, y = -1
• B)x = 7, y = -8
• C)x = 7, y = -7
• D)The system is inconsistent.
• E)The equations are dependent.

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Definitions:

Concave

A shape or curve that curves inward, resembling the inner surface of a sphere or circle, often used in mathematics and economics.

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The total amount of monetary earnings received by an individual or household, including wages, salaries, benefits, and other income sources.

Indifference Curve

A graph showing different bundles of goods between which a consumer is indifferent, reflecting their preferences for combinations of goods.

Utility

A measure of satisfaction or benefit that consumers receive from consuming goods and services.