SAT Numbers
Number Theory
Level
1
Let \(x\) and \(y\) be integers. If \(x + y\) is odd, which of the following is true about \((x+y)^{2}+xy?\)
(A) It is even.
(B) It is odd.
(C) It is even if \(x\) is even.
(D) It is even if \(y\) is even.
(E) It is even if \(xy\) is negative.
by
Tatiana Georgieva