If a < 0, then sqr rt -a * [a] is ? while this problem originally had variable x, I changed it to a to minimize confusion. [a] = absolute value of a. Question reads under radical sign: -a times absolute value of a. With a < 0. Answers -a -1 1 a sqr rt a. I thought that if a was less than 0, th...

Thank you Sejal. But that answer you suggested is the one I chose and it is wrong. And also a < 0 and not a > 0.

Can a manhattan gmat staff please respond to this question for a fellow course student. This issue is still unresolved.

Michael

a hiker walking at a constant rate of 4 miles per hour is passed by a cyclist travelling in the same direction along the same path at a constant rate of 20 miles per hour. The cyclist stops to wait for the hiker 5 minutes after passing her while the hiker continues to walk at her constant rate. How ...

on jane's credit card account, the average daily balance for a 30-day billing cycle is the average of the daily balances at the end of each of the 30 day. At the beginning of a certain 30-day billing cycle, Jane's credit card account had a balance of $600. Jane made a payment of $300 on the account ...