The Real Number System

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What is the Real Number System?

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The Real Number System includes all the numbers that can be found on the number line, including rational numbers (like integers and fractions) and irrational numbers (like square roots of non-perfect squares and pi).

Front

Define a rational number.

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Front

What is an irrational number?

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An irrational number is a number that cannot be expressed as a simple fraction. It has a non-repeating, non-terminating decimal expansion.

Front

Give an example of a rational number.

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Front

Give an example of an irrational number.

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Front

What are natural numbers?

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Natural numbers are the set of positive integers starting from 1, i.e., {1, 2, 3, ...}.

Front

What are whole numbers?

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Whole numbers are the set of natural numbers including zero, i.e., {0, 1, 2, 3, ...}.

Front

What are integers?

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Integers are whole numbers that can be positive, negative, or zero, i.e., {..., -3, -2, -1, 0, 1, 2, 3, ...}.

Front

What is the difference between rational and irrational numbers?

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Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as fractions.

Front

Is the number 3.14 a rational number?

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