BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

is ab positive?

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Data Sufficiency |
Legendary Member
Posts: 1169
Joined: Sun Jul 06, 2008 2:34 am
Thanked: 25 times
Followed by:1 members

by aj5105 » Fri May 15, 2009 7:46 pm
S1: a^2 * b > 0

We know b is positive. a can be -ve or +ve. (Square of a -ve or +ve number is always positive.)

Insufficient.


S2 : a^2 + b = 13

We know b is positive. a can be -ve or +ve.

Insufficient.


(1) + (2)

Insufficient.

(E)
Top
Post new topic Post Reply
• Page 1 of 1