elhex2 wrote:
If -4 < x < 7 and -6 < y < 3, which of the following specifies all the possible values of xy ?
A) -42 < xy < 21
B) -42 < xy < 24
C) -28 < xy < 18
D) -24 < xy < 21
E) -24 < xy < 24
Minimum value of xy = 7(-6) = -42
Maximum value of xy = (-4)(-6)=24
-42<xy<24
IMO B
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