what is the symbol that denotes a root (called the radical)?
The symbol that denotes a root (called the radical) is √.
find the cube root of -125
The cube root of -125 is -5.
when you take the cube root of a negative number, is the sign of the cube root postitive (+) or negative (-)?
When you take the cube root of a negative number, the sign of the cube root depends on whether the exponent of the root is odd or even. In the case of the cube root (exponent of 3), the sign of the cube root remains negative. So, the cube root of a negative number is negative.
find the square root of 81
The square root of 81 is 9.
find the square root of 100
The square root of 100 is 10.
find the square root of 512
The square root of 512 is approximately 22.63.
find the cube root of 512
The cube root of 512 is 8.
find the cube root of -343
The cube root of -343 is -7.
find the cube root of 81
The cube root of 81 is 4.3267487109222245 (approximated).