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3^2 – 2^2|| (3 – 2)(3 + 2)

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GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4473
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 80

Kudos [?]: 1478 [0], given: 346

CAT Tests
3^2 – 2^2|| (3 – 2)(3 + 2) [#permalink] New post 06 Apr 2018, 15:28
Expert's post
00:00

Question Stats:

99% (00:09) correct 0% (00:00) wrong based on 7 sessions
Quantity A
Quantity B
\(3^2-2^2\)
\((3-2)(3+2)\)


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.

Drill 1
Question: 3
Page: 507
[Reveal] Spoiler: OA

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Sandy
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GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4473
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 80

Kudos [?]: 1478 [0], given: 346

CAT Tests
Re: 3^2 – 2^2|| (3 – 2)(3 + 2) [#permalink] New post 15 Apr 2018, 05:25
Expert's post
Explanation

This is one of the common quadratic equations: \((3 - 2)(3 + 2) = 3^2 - 2^2\).

The answer is choice (C). If you don’t recognize the common quadratic, you can just do the arithmetic and discover that 9 – 4 = (1)(5).
_________________

Sandy
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Re: 3^2 – 2^2|| (3 – 2)(3 + 2)   [#permalink] 15 Apr 2018, 05:25
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3^2 – 2^2|| (3 – 2)(3 + 2)

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