Question

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.

Answer 1

It depends because x could be pi and y could be -pi. Both are irrational though they add up to 0 which is rational so I dont know, either B or C

Answer 2

Answer:

c

Step-by-step explanation: