Discussion

Column A Column B
  0   The smallest value of z
 
(A)Column A is larger
(B)...
(C)...
(D)...
(E)...
(F)...
*This question is included in Nova Math - Problem Set G: Quantitative Comparisons, question #58

The solution is

Posted: 10/27/2012 14:43
I don't get it... Why is it always greater or equal to 2???
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Contributor
Posted: 10/27/2012 14:47
Daniela, x^2 + 2 is always greater than or equal to 2 because x^2 is always 0 or greater.

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