THE CORRECT ANSWER IS (C). STATEMENT (1) ALONE DOES NOT SUFFICE TO...

13. The correct answer is (C). Statement (1) alone does not suffice to answer the

question; x and y could each be either positive or negative. Nor does statement (2) alone

suffice, since no information about the value of y is provided. Statements (1) and (2)

together establish that

21

,

y

,

1, and hence that x

.

y.