Discussion

Given the positions of numbers x and y on the number line above, which of the following must be true?
I.  xy > 0                   
II. 
III.  xy > 0
(A)  I only
(B)...
(C)...
(D)...
(E)...
(F)...
*This question is included in Nova Press: Set I - Inequalities, question #8

The solution is

Posted: 03/04/2012 20:58
This question refers to a number line that isn't there?
Posted: 03/05/2012 01:49
Thanks for noticing. Here is the number line referred to in the problem, attached as a screenshot.

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