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No. 144 can be expressed as a ratio of two integers: 144/1 and so it is rational.

Q: Is 144 an irrational number

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144 is rational. It is a whole number, it is an integer, etc.......

sqrt(144) = 12. 12 is the ratio of 12 to 1, so it's nice and rational.

no square root of 9 is 3 which is rational -- to be more specific: an irrational number is a number that cannot be expressed as a fraction. Pi, for example, is one of these numbers. If a number is not a perfect square (4, 16, 9, 144, 225, etc.), then it's square root is likely to be an irrational number. For example, the square root of 2 (1.41421356...) is an irrational number because it cannot accurately be expressed as a fraction.

The sum of a rational and irrational number must be an irrational number.

rational * irrational = irrational.

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It is rational.

144 is rational. It is a whole number, it is an integer, etc.......

The square root of 144 is 12 which is a rational number

Not irrational, 12 squared equals 144.

sqrt(144) = 12. 12 is the ratio of 12 to 1, so it's nice and rational.

12 squared is not irrational. It's 144 .

It is irrational, because it is not a perfect square. For example, if you have a number that is perfect like the square root of 100, it would be 10, which is a rational number. An irrational number like 16.4 which would be a not so accurate result like 6.447583839, those are irrational numbers. Hope this helps!

Square root of 1.44 = 1.441/2 = (1.2x1.2)1/2 = 1.2 which is a rational number.

no square root of 9 is 3 which is rational -- to be more specific: an irrational number is a number that cannot be expressed as a fraction. Pi, for example, is one of these numbers. If a number is not a perfect square (4, 16, 9, 144, 225, etc.), then it's square root is likely to be an irrational number. For example, the square root of 2 (1.41421356...) is an irrational number because it cannot accurately be expressed as a fraction.

An irrational number.

You are looking for a number which, when squared, gives you 144. Therefore, an obvious method is to try squaring different numbers, until you get one whose square is the desired number (in this case 144), or (in other cases), close enough to the desired number (since any whole number which is not a "perfect square" has an irrational square root).

No. The sum of an irrational number and any other [real] number is irrational.