integer y

[japan1453]

Is integer y > 0?

(1) –(2 + y) > 0
(2) (2 + y)2 > 0

ansA

could you explain the answer?

[logitech]

Is integer y > 0?

(1) –(2 + y) > 0

Multiply both side with -1

2+y < 0


y< -2

Since y is less than -2 it can not be greater than 0.

SUF

(Remember in yes and no DS question both answers are sufficient)

(2) (2 + y)2 > 0
Divide by 2

2+y>0

y>-2

Insuf

Y can be -1 or 847

Choose A

[japan1453]

thanks logitech

[logitech]

your welcome