square roots

[potterfan3]

whats the square root of 1,2 and π

[TariqE]

The square root of 1 is 1 (or -1)

The square root of 2 is not a whole number- it is (to 5 significant numbers ) 1.41421 or -1.41421

square root of 960 is not a whole number either: 30.98387 (or -30.98387).

Always remember that negative numbers do not have a real square root, since any negative number multiplied by itself would become positive.
Positive numbers always have 2 square roots- 1 negative and 1 positive but both of the same magnitude.