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Mathematics 17 Online
OpenStudy (anonymous):

How do you simplify this radical expression?

OpenStudy (anonymous):

\[\sqrt[3]{-5}_{}^{3}\]

OpenStudy (anonymous):

(-5) is like that.

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

So its just -5? Right?

OpenStudy (anonymous):

(-5)^3=-125 (-125)^(1/3)=-5 so yes

OpenStudy (anonymous):

If you square a square root, you get that thing, whatever is in the middle If you cube a cube root, you get that thing; and so on...

OpenStudy (anonymous):

however when u square a negative number u get a positive number so when u square root it u get a positive number instead of negative. when u raise something to an odd power (3,5,7 etc) then root it by the same factor u will get the original number u started with as chanuanas said

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