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png the options for this to be true are 0 -3 and 3 and false

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Intern
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Joined: 13 Apr 2009
Posts: 12

Kudos [?]: 2 [0], given: 0

png the options for this to be true are 0 -3 and 3 and false [#permalink]

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New post 04 May 2009, 01:56
00:00
A
B
C
D
E

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(N/A)

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

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the options for this to be true are 0 -3 and 3

and false when everything else
so why the right answer is B?

Kudos [?]: 2 [0], given: 0

Manager
Manager
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Joined: 08 Feb 2009
Posts: 144

Kudos [?]: 61 [0], given: 3

Schools: Anderson
Re: equation [#permalink]

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New post 04 May 2009, 03:49
1) For x = 2, the equality is True & for x = 4, the equality is False, therefore NOT SUFFICIENT

2) In order for this statement to be considered, the value of x has to be Negative, For any positive value or x=0, this statement does not hold valid.
So, for x = -1, the equality is True, x = -3, the equality still holds True, for x = -4 the equality still holds true.
Therefore, this is SUFFICIENT.

Kudos [?]: 61 [0], given: 3

Intern
Intern
avatar
Joined: 13 Apr 2009
Posts: 12

Kudos [?]: 2 [0], given: 0

Re: equation [#permalink]

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New post 04 May 2009, 04:08
so i guess it is actually valid for every negative value of x

Thanks!

Kudos [?]: 2 [0], given: 0

Re: equation   [#permalink] 04 May 2009, 04:08
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png the options for this to be true are 0 -3 and 3 and false

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