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# If absolute alue M+4 =2, what is the value of M? (1) M<0

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Intern
Joined: 08 Nov 2008
Posts: 29
If absolute alue M+4 =2, what is the value of M? (1) M<0 [#permalink]

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20 Nov 2008, 09:53
If absolute alue M+4 =2, what is the value of M?
(1) M<0 (2) M^2+8M+12=0
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient
E. Statements (1) and (2) TOGETHER are NOT sufficient

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Intern
Joined: 03 Oct 2008
Posts: 17

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20 Nov 2008, 10:55
D should be the ans..
Manager
Joined: 15 Apr 2008
Posts: 159

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20 Nov 2008, 13:25
both the statements are giving 2 values for m, -2 and -6
therefore there is no single value of m

what is the OA
Intern
Joined: 17 Oct 2008
Posts: 16

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20 Nov 2008, 15:29
From
1) m+4=2

it gives value of m as -2 and -6 considering the 2 and -2 as the different absolute values.

2)m^2+8m+12=0 also gives 2 values -2 and -6, after solving the quadratic equation.

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Re: absolute value ---25   [#permalink] 20 Nov 2008, 15:29
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# If absolute alue M+4 =2, what is the value of M? (1) M<0

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