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Is x > 0?

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Joined: 02 Jun 2016
Posts: 40
Schools: Sloan '19 (II)
Re: Is x > 0?  [#permalink]

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New post 13 Jul 2016, 22:32
Answer is definitely C

Statement 1)
Any negative value would make
x^3 < x^2 true, but so would any value between 0 and 1: example - (1/2)^3 < (1/2)^2
Therefore NS

Statement 2)
You could test values, but realize once again any negative value will make this statment true since a negative number to an odd power will remain negative and turn positive when raised to an even power. Any value greater than 1 will also hold true. Values between 0 and 1 however, will not work here as such values get smaller the bigger the exponent. NS

The restrictions laid out by examining both statements commits x to negative values.

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Re: Is x > 0?  [#permalink]

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New post 07 Nov 2017, 06:54
Hello from the GMAT Club BumpBot!

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Re: Is x > 0? &nbs [#permalink] 07 Nov 2017, 06:54

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