Jack

10-10-2013, 11:11 AM

If a>0, ab<0, and abc<0 , then which of the following could NOT be negative?

(A) abc^2

(B) ab^2c^3

(C) a^3 bc^3

(D) a^3 b

Thanks

(A) abc^2

(B) ab^2c^3

(C) a^3 bc^3

(D) a^3 b

Thanks

View Full Version : sat expression inequality

Jack

10-10-2013, 11:11 AM

If a>0, ab<0, and abc<0 , then which of the following could NOT be negative?

(A) abc^2

(B) ab^2c^3

(C) a^3 bc^3

(D) a^3 b

Thanks

(A) abc^2

(B) ab^2c^3

(C) a^3 bc^3

(D) a^3 b

Thanks

miranda

10-10-2013, 11:12 AM

From the given inequalities we deduce that a>0, b<0, \ and\ c>0 and the only NOT negative i.e. positive expression is ab^2c^3

Therefore the correct answer is (B).

Therefore the correct answer is (B).

Jack

10-10-2013, 11:12 AM

Thanks miranda!

Powered by vBulletin® Version 4.2.2 Copyright © 2018 vBulletin Solutions, Inc. All rights reserved.