What is the cube root of -64?

Answer 1

Suppose x3 = -64 then x3 + 64 = 0
So (x + 4)*(x2 - 4x + 16) = 0
So x = 4 or x = 2 +/- 2i*sqrt(3) where i is the imaginary square root of -1.

-4 * -4 * -4 = -64

So cube root of -64 = -4

Answer 2

cubed root of 64 is "4"!!!!

:D

Answer 3

The cube root of 6.4 is 1.8566355334451115

Answer 4

Cube root of 64=4

Answer 5

(-4)3 = -64

so the answer is -4

Answer 6

The cubed root of 64 is 4. 4x4x4=64

Answer 7

Four.

Answer 8

4.