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Q: Is the square root of 19 a rational number?

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The square roots are -19 and +19.

The square root of 361 is 19.

Yes, they are.

19, -19

-- Any number that you can completely write down using digits, and a decimal point or fraction bar if needed, is rational. -- A rational number is defined as one that can be written as a fraction using whole numbers. -19 can be written as the fraction -19/1 .

Related questions

The square root of the prime number 19 is an irrational number

No. √19 is an irrational number.

No

No

The square root of 19 is approximately 4.36

19 squared is 361 but the square root of 19 is an irrational number and it is about 4.359 rounded to 3 decimal places

No negative number can have a real square root.In math and engineering, the symbol ' i ' is used to representthe square root of -1 .Then the square root of -19 can be written as 4.3589 i (rounded).

No.

Yes

Square root of 19 is 4.36

No because 19 is a whole number which means that it is a rational number

(the square root of 19 - t)(t + the square root of 19)