SOLUTION: How do you work out 2x=3rd root of 32 over 8? I can't work out how you get the 3rd root without it being a mad decimal and it's awful!! My test on this is coming up too!

Question 228758: How do you work out 2x=3rd root of 32 over 8?
I can't work out how you get the 3rd root without it being a mad decimal and it's awful!! My test on this is coming up too!
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
First reduce the fraction inside the cube root:

Divide by 2:

That's it!! It's ugly, but that's it!! Do you need to calculate the decimal approximation?? I got .7937 with a calculator.

Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus
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