Can you find the cube root of negative numbers, like the cube root of - 64? Explain why or why not.

Question

Mathematics

Amber Lawson

1 May, 03:43

Can you find the cube root of negative numbers, like the cube root of - 64? Explain why or why not.

+5

Answers (1)

Know the Answer?

Caden Adkins · Answer 1

Yes

remember that an odd power of a negative is negative

(-1) (-1) (-1) = (-1) tiat is negative

alsoo remember that ∛ (ab) = (∛a) (∛b)

so

∛ (-64) = (∛-1) (∛64) = (-1) (4) = - 4