Solve Using the Elimination Method

question 23

Multiple Choice

Solve using the elimination method.
-x + y = 11 x - y = 7

• A) No solution
• B) (9, 2)
• C) (8, 3)
• D) (-9, 3)

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Definitions:

Studies

Systematic investigations intended to establish facts, principles, and generalized knowledge.

Descriptive Research

A research method aimed at describing characteristics of the population or phenomenon being studied without influencing the outcomes.

Qualitative Research

A research method focusing on understanding concepts, thoughts, or experiences through detailed descriptions and analysis of non-numerical data.

Population

The entire group of individuals or units considered for a study, from which a sample may be drawn for analysis.