SOLUTION: I need help with the following, please!!! Determine whether 3sqrt-8/27 is rational or irrational Thank you.

Algebra ->  Algebra  -> Square-cubic-other-roots -> SOLUTION: I need help with the following, please!!! Determine whether 3sqrt-8/27 is rational or irrational Thank you.      Log On

Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 106463: I need help with the following, please!!!
Determine whether 3sqrt-8/27 is rational or irrational
Thank you.
Answer by stanbon(48568) About Me  (Show Source):
You can put this solution on YOUR website!
Determine whether 3sqrt-8/27 is rational or irrational
----------
= cube root[-8/27]
= (-2/3)
Yes, this is a rational number
====================
Cheers,
Stan H.