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Math Expert
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Concentration: Strategy, Technology
GMAT 1: 730 Q50 V39
GMAT 2: 710 Q50 V36
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GMAT 1: 660 Q47 V34
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Re: What is the value of m? (1) |m| = −36/m (2) 2m+2|m| = 0 [#permalink]
(1) |m| = −36/m

LHS is an absolute value so RHS has to be +ve as well. This is only possible if m is a negative value.
Since we know \(m <=0\)
\(|m| = -m = -36/m\)
\(- m^2 = -36\)
\(m=|6| \) but since we know m is a negative value \(m=-6\)

Hence sufficient

(2) 2m+2|m| = 0

Reducing by 2, \(m + |m| = 0 \)
This statement holds for negative values as well as 0. Hence not sufficient


Answer is A
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Re: What is the value of m? (1) |m| = 36/m (2) 2m+2|m| = 0 [#permalink]
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Re: What is the value of m? (1) |m| = 36/m (2) 2m+2|m| = 0 [#permalink]
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