Questions and Answers
Which of the following is an irrational number?
3.14
The sum of a rational and an irrational number is always irrational.
True
Simplify the expression: $(2 + \sqrt{3})(2 - \sqrt{3})$
1
Every real number is either __________ or irrational.
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Match the following numbers with their classification:
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Study Notes
Properties of Irrational Numbers
- The sum of a rational and an irrational number is always irrational.
Simplification of Expressions
- $(2 + \sqrt{3})(2 - \sqrt{3})$ can be simplified.
Classification of Real Numbers
- Every real number is either rational or irrational.
Classification of Numbers
- Match numbers with their classification: rational or irrational.
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