Algebra-1

Question Analysis
This question tests the student's ability to identify an irrational number among a list of numbers. It requires understanding that irrational numbers have non-terminating, non-repeating decimal expansions and cannot be expressed as a ratio of two integers.

Key Concept Explanation
Irrational numbers are real numbers that cannot be expressed as a ratio of two integers and have non-terminating, non-repeating decimal expansions. Examples include , , and .

Step-by-step Solution
1. Identify each number in the list: (rational),

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