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Question 537700: Im having trouble with square roots, cubed roots and so forth. For examble the cubed root of 81. How do i figure out what would be taken out the radical sign and what would be left under the radical sign.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Im having trouble with square roots, cubed roots and so forth. For examble the cubed root of 81. How do i figure out what would be taken out the radical sign and what would be left under the radical sign.
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The best thing to do would be to make a short list of
the squares of 1,2,3.....9,10
and the cubes of 1,2,3,...9,10
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Keep the list handy when you have square root or
cube root problems. After a while you will begin
to recognize square and cube roots.
Cheers,
Stan H.
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