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 and irrational numbers.

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What are rational numbers?

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What are irrational numbers?

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Irrational numbers are numbers that cannot be expressed as a simple fraction; they have non-repeating, non-terminating decimal expansions.

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What is a perfect square?

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A perfect square is a number that can be expressed as the square of an integer, such as 1, 4, 9, 16, etc.

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What is the square root of 98?

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The square root of 98 is approximately 9.899, which falls between 9 and 10 on the number line.

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How is the number 5/9 classified?

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5/9 is classified as a rational number because it can be expressed as a fraction.

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What is a repeating decimal?

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A repeating decimal is a decimal fraction that eventually repeats the same sequence of digits indefinitely, such as 0.333... or 0.666... .

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What is a terminating decimal?

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A terminating decimal is a decimal that has a finite number of digits after the decimal point, such as 0.5 or 2.75.

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What is the classification of a perfect square?

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A perfect square is classified as a rational number.