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

Redeem

DS GMATPrep

Expert replies
Source: — Data Sufficiency |

by TSonam » Fri Dec 14, 2007 10:35 am
Answer should be E.
Join the discussion

Re: DS GMATPrep

by jayhawk2001 » Fri Dec 14, 2007 11:35 am
1 - insufficient.
Take {a = 8, b = 4, x = -0.5}, {a = 8, b = -4, x = 0.5}
x can be positive or negative

2 - insufficient
Take {a = 8, b = 4, x = -0.5}, {a = 8, b = -4, x = 0.5}

Together, same story.

Hence E
Join the discussion