carolinegirl7 carolinegirl7

25-10-2017
Mathematics

contestada

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

Respuesta :

25-10-2017

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

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