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No. The square root of 81 is 9, which is a rational number.

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2012-09-14 00:08:36
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Q: Is the root of 81 an irrational number?
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Is the square root of 81 an irrational number?


Is 81 a irrational number?

No. 81 is a rational number. An irrational number is a number with an endless amount of digits like pi or the square root of 2.

Is sqrt 81 a irrational number?

No because the square root of 81 is 9 which is a rational number

Is the square root of of 81 over negative three irrational?

No. The square root of 81/(-3) is rational. The square root of [81/(-3)] is imaginary (a kind of complex number).

Is the square root of -81 rational or irrational?

Since it is the square root of a negative number, it is actually imaginary, neither rational nor irrational. It is equal to 9i, or 9 times whatever the square root of negative one is.square root of -81 = square root of 81 times i = 9i

Is the square root of 81 irrational?

no. it is 9

Is -81 an irrational number?

No, -81 is not an irrational number because it can be represented in the form x/y = -81

Is they sqare root of 94 irrational or irrational?

The square root of 94 is an irrational number

Is the square root of 27 a rational or irrational number?

The square root of 27 is an irrational number

Can multiplying two irrational numbers give you an irrational number?

Yes. For example, the square root of 3 (an irrational number) times the square root of 2(an irrational number) gets you the square root of 6(an irrational number)

Is the square root of 7 irrational or rational?

It is a irrational number. Because the square root of every imperfect square is irrational number.

Is the square root of 26 a rational number or irrational number?

the square root of 26 is a irrational number

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