They will be±
2√
2 =±
2.83, approx.
square root is 8 (8 x 8 = 64)cube root is 4 (4 x 4 x 4 = 64)
The cube root of 8 is 2.
5.6568542494923801952067548968388Improved Answer:-It is 8
no! the square root of 8 is not retional but the cube root is retional
square root of 64 is 8
no! the square root of 8 is not retional but the cube root is retional
no! the square root of 8 is not retional but the cube root is retional
root 8 x root 26 = root (8 x 26) = 14.42 (also 2.83 x 5.10 = 14.433)
The principle square root of 64 is ±8.8.* * * * *The square roots of 64 are +8 and -8.The PRINCIPAL square root is the positive root, +8.So, the answer to the question that was asked is +8 not ±8.
The square root of minus 8 is equal to the square root of 8 times the square root of minus 1, or 2.8284i.
The cube root of -512 is: -8
The cube root of 512 is 8, because 8 x 8 x 8 = 512.