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Mathematics
OpenStudy (anonymous):

what are the real roots of x^3+8=0 what are the real roots of x^3+8=0 @Mathematics

8 years ago
OpenStudy (mathteacher1729):

"Sum of cubes" http://www.purplemath.com/modules/specfact2.htm Or "what number, when you cube it, equals NEGATIVE eight"? :)

8 years ago
OpenStudy (anonymous):

-2

8 years ago
OpenStudy (anonymous):

That's it?

8 years ago
OpenStudy (precal):

The other two solutions are complex. The functions only crosses at x=-2

8 years ago
OpenStudy (mathteacher1729):

Bleep, yup, that's it. :)

8 years ago
OpenStudy (anonymous):

Great, thanks

8 years ago
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