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# Find integer X. (1) |X+2|=|X| (2) |X^X|=1

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SVP
Joined: 03 Feb 2003
Posts: 1604
Find integer X. (1) |X+2|=|X| (2) |X^X|=1 [#permalink]

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09 Oct 2003, 01:49
00:00

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0% (00:00) correct 0% (00:00) wrong based on 0 sessions

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Find integer X.

(1) |X+2|=|X|
(2) |X^X|=1
Manager
Joined: 13 Aug 2003
Posts: 68
Location: India

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09 Oct 2003, 05:13
Stolyar I wpould go with A. As only -1 can satisfy both the modulous. Statement 2 isnt possible as there can be two values for X in that case 1 and -1.

Let me know the right answer. Agood question though

cheers
neeraj
Manager
Joined: 26 Aug 2003
Posts: 233
Location: United States

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09 Oct 2003, 07:09
I'd say A too.
Manager
Joined: 28 Feb 2003
Posts: 147
Location: Kiev

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09 Oct 2003, 08:37
_________________

Too much is not enough...

Manager
Joined: 13 Aug 2003
Posts: 68
Location: India

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09 Oct 2003, 09:12
I checked and it is 0... infact I asked my younger sis ; )
Manager
Joined: 26 Aug 2003
Posts: 233
Location: United States

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09 Oct 2003, 10:47
bono wrote:

I highly object to such questions testing the limits outside of GMAT requirements. In fact, such questions should not be allowed because they only confuse people!!!
SVP
Joined: 03 Feb 2003
Posts: 1604

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09 Oct 2003, 11:59
We discussed this matter many, many times, but you, guys, were not with us. Therefore, I say a gist of our long previous discussions: open up any school math book and make sure that 0^0 makes NO SENSE and so can be safely ignored. It is also helpful to memorize the definition of the zeroth power. Only then are you welcome to object.

Moreover, even if we admit that 0^0=1, this fact would not harm the answer A. I hope I have dismissed any further claims!!!
09 Oct 2003, 11:59
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