Q: Is the square root of 36 - 25 rational or irrational?

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Sometimes the square root of a positive number can be irrational, as in the square root of 2 (which is a non-perfect square number), but sometimes it is a rational number, as in the square root of 25 (which is a perfect square number).

An example is the square root of a number. Ex: square root of 2. This is 1 example, not the main one. Any cube root or square root which doesn't give a perfect number is an irrational number. Ex; square root and cube root of 5, since their answer will be 2.24 and 1.70 which are not perfect numbers like square roots of 25 and 64 or cube roots of 27 and 216.

If the value applied in the radical is not a perfect square, it is irrational. 25; 400; and 625 are perfect squares and are rational when applied in a radical.

Rational. It's the ratio of 14 to 25 .

Yes, 102 isn't a square number (1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144) so the square root of 102 will keept going forever and is irrational.

Related questions

They are +5 and -5, which are both rational.

The square root of 25 is 5, which is a rational number.

The square root of 25 is 5 which is a rational number * * * * * Or -5, which is also rational.

The square root of 25 is 5 which is a rational number

No, they are both rational.

The square root of 8 over 25 is irrational, and real.

0.36

No because as for example the square root of 25 is 5 which is a rational number

The square root of 25 is 5, which is a whole number, an integer, a natural number and a rational number.

The sqrt of 25 = 5 which can be written as a recurring decimal. Therefore no, it is not irrational, it is rational.

The square root of 25 is 5 ... rational.

Sometimes the square root of a positive number can be irrational, as in the square root of 2 (which is a non-perfect square number), but sometimes it is a rational number, as in the square root of 25 (which is a perfect square number).