Discussion
53. | Column A | | Column B |
| | | z 2 – 4 |
(A) | Column A is larger |
(B) | ... |
(C) | ... |
(D) | ... |
(E) | ... |
(F) | ... |
The solution is
Posted: 07/27/2013 11:33
Regards, where is the absolute symbol in the question?
Posted: 07/27/2013 12:08
Hello Sudad. There is no absolute value symbol in the question. The explanation only says that the definition of |x| is = sqrt(x^2).
Hence, without knowing whether x is positive or negative, we cant really decide whether |x| is >, or = x.
Hence, without knowing whether x is positive or negative, we cant really decide whether |x| is >, or = x.