Which of the following inequalities is equivalent to 2 < : PS Archive
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Which of the following inequalities is equivalent to 2 <

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Senior Manager
Joined: 12 Mar 2006
Posts: 366
Schools: Kellogg School of Management
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Which of the following inequalities is equivalent to 2 < [#permalink]

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16 Feb 2007, 23:14
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Which of the following inequalities is equivalent to â€“2 < x < 4 ?
(A) | x â€“ 2 | < 4
(B) | x â€“ 1 | < 3
(C) | x + 1 | < 3
(D) | x + 2 | < 4
(E) None of the above
SVP
Joined: 01 May 2006
Posts: 1797
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Kudos [?]: 149 [0], given: 0

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17 Feb 2007, 01:46
(B) for me

â€“2 < x < 4
<=> -2 -1 < x-1 < 4-1
<=> -3 < x-1 < 3
<=> |x-1| < 3
Senior Manager
Joined: 12 Mar 2006
Posts: 366
Schools: Kellogg School of Management
Followers: 3

Kudos [?]: 70 [0], given: 3

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17 Feb 2007, 20:24
Fig wrote:
(B) for me

â€“2 < x < 4
<=> -2 -1 < x-1 < 4-1
<=> -3 < x-1 < 3
<=> |x-1| < 3

cool thanks..OA is B
17 Feb 2007, 20:24
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