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Is the square root of -81 rational or irrational? - Answers

The square root of -81 is an imaginary number, specifically 9i, where i represents the imaginary unit equal to the square root of -1. Since the square root of -81 does not result in a real number, it is considered irrational. Rational numbers are those that can be expressed as a ratio of two integers, whereas Irrational Numbers cannot be expressed in this form.



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Is the square root of -81 rational or irrational? - Answers

https://math.answers.com/basic-math/Is_the_square_root_of_-81_rational_or_irrational

The square root of -81 is an imaginary number, specifically 9i, where i represents the imaginary unit equal to the square root of -1. Since the square root of -81 does not result in a real number, it is considered irrational. Rational numbers are those that can be expressed as a ratio of two integers, whereas Irrational Numbers cannot be expressed in this form.



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https://math.answers.com/basic-math/Is_the_square_root_of_-81_rational_or_irrational

Is the square root of -81 rational or irrational? - Answers

The square root of -81 is an imaginary number, specifically 9i, where i represents the imaginary unit equal to the square root of -1. Since the square root of -81 does not result in a real number, it is considered irrational. Rational numbers are those that can be expressed as a ratio of two integers, whereas Irrational Numbers cannot be expressed in this form.

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      The square root of -81 is an imaginary number, specifically 9i, where i represents the imaginary unit equal to the square root of -1. Since the square root of -81 does not result in a real number, it is considered irrational. Rational numbers are those that can be expressed as a ratio of two integers, whereas Irrational Numbers cannot be expressed in this form.

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