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Hi everyone,

There are a couple of mistakes in the 2017 Quantitative Review as well. The Question 171 is different from the Answer Explanation.
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We deeply apologize for the inconvenience these errors may have caused and have options available to remedy the situation. For access to an errata (correction) document, to read about your other a full list of Frequently Asked Questions, and more information, visit https://wileyactual.com/gmat. If your exam date is within the next couple of months and none of the options available fit your study needs, please send us a direct / private message or email us at customercare@mba.com so we can try to further assist you.

Moving forward we will make every effort to ensure that our study products are superior and adhere to high-quality publication standards.


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GMAT Official Guide 2017 Errata - OG 2017 Mistakes



Wiley and GMAC have released the Official Guide errata/mistake list. This one is much longer than those in the past (some editions did not have one at all). It is surprising that so many typos, mistakes, and pure errors crept into the guide. I am attaching the document shared.

P.S. GMAT/Wiley have also offered to replace all of the OG's free of charge or get a refund. Take advantage of this if you can - either get your money back or get a new copy if you are still studying in Sept.

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Attachment:
GMAC-2017 OG Chp 4 quadratic error.pdf [77.52 KiB]
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Page 123 OG 2017 Chapter 4 replacement, is this also an error in the replacement document?

They list two equations for the quadratic formula , showing different things under the square root; one has -b+\sqrt{b^2 - 4ac}, one has -b-\sqrt{b^2 + 4ac}. Please see the attached pdf of the specific page.
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Is there an errata for the 2016 OG?
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Is there an errata for the 2016 OG?
Not to the best of my knowledge. It's the 2017 that had a lot of errors.
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