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austin
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Stem translation: Is xy/(x+y) > xy???
1. x = 2y
LHS: 2y^2/3y = 2/3 y
RHS: 2y^2
x and y are non-zero integers
2y^2 > 2/3 y, for all y.
2. x + y > 0 => x>-y.
x = 3, y = 4 LHS: 12/7; RHS: 12 NO
x = 7, y = -1 LHS: -7/6; RHS: -7 YES
Inconsistent
A
1. x = 2y
LHS: 2y^2/3y = 2/3 y
RHS: 2y^2
x and y are non-zero integers
2y^2 > 2/3 y, for all y.
2. x + y > 0 => x>-y.
x = 3, y = 4 LHS: 12/7; RHS: 12 NO
x = 7, y = -1 LHS: -7/6; RHS: -7 YES
Inconsistent
A
