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by mukund.jagadish
Fri Jan 22, 2010 4:10 pm
 
Forum: GMAT Official Practice Test Math
Topic: The Value of Cube Root of -89 is
Replies: 5
Views: 2428
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The Value of Cube Root of -89 is

Source: GMAT Prep Test #2 The Value of Cube Root -89 is: a. between -9 and -10 b. between -8 and -9 c. between -4 and -5 d. between -3 and -4 e. undefined Could someone please walk me through this. In high school I learned that negative square roots are imaginary numbers. For example the square of -...
by mukund.jagadish
Fri Jan 22, 2010 4:22 pm
 
Forum: GMAT Official Practice Test Math
Topic: The Value of Cube Root of -89 is
Replies: 5
Views: 2428
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Re: The Value of Cube Root of -89 is

Thanks zchampz, that makes perfect sense.
by mukund.jagadish
Sun Jan 24, 2010 10:27 am
 
Forum: GMAT Official Practice Test Math
Topic: If x does not equal 0, then square root of x^2/x =
Replies: 12
Views: 18640
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If x does not equal 0, then square root of x^2/x =

Source: GMAT Prep Test 1

If x does not equal 0, then square root of x^2/x =

a. -1
b. 0
c. 1
d. x
e. |x|/x

OA: E

Please advise, thanks.