Why can you take the cube root of a negative number?

Question

Baddie156 · Answer

plz help

daddysbabygirl · Answer

The reason that we can't have the square (or quartic) root of a negative number is that two negatives always cancel to give a plus; so the square root of a negative number is undefined. ... The Real cube root of any negative Real number is negative.

jhonyy9 · Answer

bc. a negativ number multiplied by it self 3 time result negativ too

Baddie156 · Answer

@daddysbabygirl 
thx

jhonyy9 · Answer

$\color{#0cbb34}{\text{Originally Posted by}}$ @daddysbabygirl
The reason that we can't have the square (or quartic) root of a negative number is that two negatives always cancel to give a plus; so the square root of a negative number is undefined. ... The Real cube root of any negative Real number is negative.
$\color{#0cbb34}{\text{End of Quote}}$
the square rot of a negativ number is a complex number the form of a +ib

Baddie156 · Answer

@jhonyy9 
thank u so much

jhonyy9 · Answer

$\color{#0cbb34}{\text{Originally Posted by}}$ @Baddie156
@jhonyy9 
thank u so much
$\color{#0cbb34}{\text{End of Quote}}$
anytime - np - yw.