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Bunuel
Is xy < –4 ?

(1) x + y < –2
(2) x < –2 and y > 2

1 : consider x=1 , y=-3

x+ y = -2
xy = -3
again : x= 3 y = -5
xy = -15

not sufficient.

statement 2:

is sufficient.
least value for x can be any value more than 2 with a negative sign and y more than 2 with positive sign . product is always more than 4

B
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Is xy < –4 ?

(1) x + y < –2
(2) x < –2 and y > 2

I think we all agree it is not (1) - see previous examples

(2) can be simplified as <-2 * >2 < -4?
Plug in on of the nearest: -2.01 * 2.01 < -4 -> will never be true. Thus, I conclude:

Correct: B
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