Front

What is a rational number?

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A rational number is a number that can be expressed as a ratio of two integers, where the denominator is not zero.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction or ratio of two integers.

Front

What is the result of adding two rational numbers?

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The sum of two rational numbers is always a rational number.

Front

What is the result of adding a rational number and an irrational number?

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The sum of a rational number and an irrational number is always an irrational number.

Front

What is the result of multiplying two irrational numbers?

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The product of two irrational numbers can be either rational or irrational.

Front

What is the result of multiplying a rational number by an irrational number?

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The product of a rational number and an irrational number is always an irrational number.

Front

What is the result of squaring an irrational number?

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The square of an irrational number is generally irrational, but there are exceptions (e.g., √2 * √2 = 2, which is rational).

Front

Is the square root of a prime number rational or irrational?

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The square root of a prime number is irrational.

Front

What is the result of adding two irrational numbers?

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The sum of two irrational numbers can be either rational or irrational.

Front

What is the result of subtracting a rational number from an irrational number?

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The result is always an irrational number.