Absolute value inequality

Is |x^2+y^2| > |x^2-y^2|?
(1) x > y
(2) x > 0

Underwriting Syndicate

In firm commitment underwriting, a group of investment banking firms known as a syndicate agree to sell bonds on behalf of the issuer. The issuer sells the bonds to the syndicate at a fixed price, and the syndicate members take on the responsibility of selling all the bonds. The cost of any unsold b...

I took the GMAT last Friday (6/21/13) and scored a 790, with a 50 on quant and 51 on verbal. Below is an overview of how I prepared, though I did not keep great track of what I did when, so the dates are a bit fuzzy. I have a problem with your post. Q50, V51 should convert to an 800 on the real GMA...

I'm assuming what you mean when you say that the two equations "have no common root" is that they cannot be solved simultaneously. In that case, I would pick (E), a=-9, and here's why: If a=-9, We have the following two equations: 3x-2y = 5 -9x+6y=10 If you multiply the first equation by 3...

One way to weaken a causal argument is to show that the stated relationship is reversed. Survey responses suggest that having less intimacy with siblings earlier in life (X) causes emotional distress by age 65 (Y). Answer choice B suggests that the relationship is not exactly as stated. Instead, emo...

MGMAT CR: Prohibition land

The people of Prohibitionland are considering banning the service of alcoholic beverages in restaurants to curb unruly behavior on the part of its residents. Proprietors of restaurants in Prohibitionland are protesting the ban on the grounds that it will reduce their revenues and profits. However, s...

I tried to diagram this question, but my diagram did not lead to the right answer, although I somehow managed to pick the right answer. I would like to know what went wrong with my diagramming. Here's what I wrote on my scratch paper: M unless (P or ~ S) therefore: ~(P or ~S) --> M or ~P and S --> M...

Hey buddy, I will suggest you use as many retired official problems as possible in your study next time around. It appears you focused too much on material from Manhattan GMAT and had very limited exposure to retired official problems. I think the Manhattan SC Guide is the bible in SC, but I would p...