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    16. Column A x ≠ 0 Column B   ... ...

   
16. Column A x ≠ 0 Column B
  x 3 – 5   x 3 – 15

(A) Column A is larger
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Math - Problem Set G: Quantitative Comparisons

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Replies to This Thread: 1 | ----
    16. Column A x ≠ 0 Column B   ... ... 
Posted: 10/10/2013 08:10
i tried by substituting x first by 0.1 and then by 1.
i'm confused.
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Replies to This Thread: 0 | ----
 
Posted: 10/10/2013 11:15
Jaskirat, there is no need to substitute. Since both equations contain x^3, we can subtract x^3 from both and end up with -5 and -15. Of course, -5 is larger.
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