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2^m or (-2)^m
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04 May 2021, 06:37
04 May 2021, 06:37
Expert Reply
00:00
Question Stats:
92% (00:25) correct
7% (01:26) wrong based on 26 sessions
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Quantity A |
Quantity B |
\(2^m\) |
\((-2)^m\) |
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Re: 2^m or (-2)^m
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04 May 2021, 07:29
04 May 2021, 07:29
1
It just depends on the value of m.
If m is even, then both quantities are equal.
If m is odd, then A is greater.
Hence, D
If m is even, then both quantities are equal.
If m is odd, then A is greater.
Hence, D
Re: 2^m or (-2)^m
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04 May 2021, 07:31
04 May 2021, 07:31
1
No details for the value of \(m\) is given.
So we can't be sure for the greatest quantity.
if \(m=0\) :: \(Qt A = Qt B\)
if \(m=1\) :: \(Qt A > Qt B\)
Answer D
So we can't be sure for the greatest quantity.
if \(m=0\) :: \(Qt A = Qt B\)
if \(m=1\) :: \(Qt A > Qt B\)
Answer D
