Problem: (x^-5/x^-9)^1/2. The answer is x2, but here is my confusion To do this problem my first instinct was to just flip the fraction in the parenthesis, but someone I've been working with told me that's not possible. There approach was to multiply the denominator by a negative fraction, and then...

Hi GeauxSwish, Could you go into more detail about what you're specifically interested in? GMAT assassins aren't born, they're made, Rich Sure. Backtracking a bit, your last post made total sense just wasn't exactly what I was looking for. Back on track Main Question What is the difference between ...

Backsolving vs plugging in answer choices

Howdy! I'm a bit confused of the difference between back solving and plugging in answer choices. I understand certain types of problems are better for certain strategies. And could someone provide an example? I'm also trying to understand if that means certain strategy are good for questions that de...

List of "Useful Information"

I believe I saw on some of the instruction videos on these forums that one way to understand Data Sufficiency was to think of "what information would be useful" to answer the question. Just curious if anyone knew of/had a list of the useful questions depending on the subject that one shoul...

Decisions...Advice?

Totally bombed the GMAT. I'll go on record and say that my study habits weren't that great. I say that as someone who probably spent 6-8 hours studying in a week about two months ahead of the test to 15-20 hours closer to test time. One reason I say my study habits were not great was that my study g...