NS. x could be both a positive number and a negative number.
2 x|y| is not a positive number
different scenarios unfold from this expression. x|y|= -ve number, 0, or a positive rational number.
case a) |y| is not zero and x is negative. The answer would be yes
b) if |y| is zero the value of x is concealed (x is either positive or negative).
c) x can be a positive rational number and |y| a positive integer or a positive rational number.
d) x can be a negative rational number and |y| zero.
1+2) combining the informations provided doesn't help to define a clear answer.
NS and the answer is E.
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