Question 9
If x is a small negative integer and y is a large positive integer, which of the following expressions must be positive?
A x * y
B y − x
C y ÷ x
D x ÷ y
Since x is negative, substitute -x in for x and look for something that would be positive all the time. A) -x * y = negative B) x + y = positive, making B the answer
