asking help for a Math in GWD

catcatone · 发表于 2007-4-20 11:22:00

Q7:

What is the value of │x
+ 7│?

(1)

│x + 3│= 14

(2)
(x + 2)² = 169

A. Statement (1) ALONE
is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE
is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements
TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement
ALONE is sufficient.

I get each of 1) and 2) two different answers

1). X=11 or -17
} X=11: to choose C?
2). X=11 or -15

Thanks.

hsummer · 发表于 2007-4-20 20:48:00

should be...

所属分类: GMAT考试