Mathematics, 09.06.2020 17:57 BaileyElizabethRay
If x + y is rational, must x and y each be rational?
A)Yes; because the sum of rationals is rational.
B)No; because the sum of irrationals is always irrational.
C)No; because x and y could be additive inverses of each other.
D)Yes; because x and y must be integers, and integers are rational.
Answers: 3
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If x + y is rational, must x and y each be rational?
A)Yes; because the sum of rationals is rationa...
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