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# For integers a and x, which of the following values of a guarantees th

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Intern
Joined: 12 May 2017
Posts: 6
For integers a and x, which of the following values of a guarantees th  [#permalink]

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27 Oct 2017, 06:21
00:00

Difficulty:

55% (hard)

Question Stats:

63% (01:47) correct 38% (01:24) wrong based on 8 sessions

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For integers a and x, which of the following values of a guarantees that (4x^2+ax+16) is a perfect square?

A. −16
B. −4
C. 4
D. 8
E. 12

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Math Expert
Joined: 02 Sep 2009
Posts: 49300
Re: For integers a and x, which of the following values of a guarantees th  [#permalink]

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27 Oct 2017, 06:25
1
div10 wrote:
For integers a and x, which of the following values of a guarantees that (4x^2+ax+16) is a perfect square?

A. −16
B. −4
C. 4
D. 8
E. 12

Discussed here: for-integers-a-and-x-which-of-the-following-values-of-a-guarantees-229421.html

Hope it helps.

Topic is locked and archived.

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

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Re: For integers a and x, which of the following values of a guarantees th &nbs [#permalink] 27 Oct 2017, 06:25
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