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The greatest possible value of

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The greatest possible value of [#permalink] New post 07 Dec 2017, 03:06
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Question Stats:

73% (01:04) correct 26% (00:36) wrong based on 19 sessions
Quantity A
Quantity B
The greatest possible value of \(\frac{2}{x-y}\) where \(9 \leq x \leq 12\) and \(-2 \leq y \leq 8\)
2


A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal
D. The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Re: The greatest possible value of [#permalink] New post 08 Dec 2017, 00:06
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the answer is C?
that x could be 9, y could be 8
2/1=2 ?
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Re: The greatest possible value of [#permalink] New post 08 Dec 2017, 02:17
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OA added

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Re: The greatest possible value of [#permalink] New post 17 Feb 2018, 01:32
Maximum value of Quantity A will be obtained if we put least possible value of x-y in denominator. That will be minimum value of x and maximum of y.
Hence, Choice C is correct.
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Re: The greatest possible value of [#permalink] New post 17 Feb 2018, 04:04
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Yes, I have C as well. Because of the negative in x-y, plug in the least value of x (=9) with the greatest value of y (=8).
Re: The greatest possible value of   [#permalink] 17 Feb 2018, 04:04
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