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(2x y)^3

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GreenlightTestPrep
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(2x y)^3 [#permalink] New post   07 Mar 2022, 04:00
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76% (00:55) correct 23% (01:02) wrong based on 39 sessions

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Quantity A
Quantity B
\((2x – y)^3\)
\((x + 2y)^4\)



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.
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D
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Re: (2x y)^3 [#permalink] New post   07 Mar 2022, 10:47
Thanks for the question GreenlightTestPrep, will wait for OE
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GreenlightTestPrep
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Re: (2x y)^3 [#permalink] New post   10 Mar 2022, 06:00
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GreenlightTestPrep wrote:
Quantity A
Quantity B
\((2x – y)^3\)
\((x + 2y)^4\)



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.


Strategy: When I see a Quantitative Comparison question featuring only variables and constants, I immediately ask myself, "Are there any obvious values for the variables that will make the two quantities equal?"
In this case, we can see that, if x = 0 and y = 0, then Quantity A = Quantity B
At this point, the correct answer is either C or D. Now let's test another pair of values...
If x = 1 and y = 1, then Quantity A ≠ Quantity B

Answer: D
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Re: (2x y)^3 [#permalink] New post   02 May 2024, 19:01
Hello from the GRE Prep Club BumpBot!

Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: (2x y)^3 [#permalink]
02 May 2024, 19:01
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