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Column A x < 0 Column B x2 - x5 0

Column Ax < 0Column B
x2 - x50

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

*This question is included in Nova Math - Problem Set B: Substitution 2

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Column A x < 0 Column B x2 - x5 0 
Posted: 11/27/2015 01:03
If x =-1, the x^2-x^5 is not 2 but 0. -1^2 is 1.
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Posted: 11/27/2015 01:21
Hi John,

If x = −1, then x^2 − x^5 = (-1)^2 - (-1)^5 = 1 - (-1) = 1 + 1 = 2.

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Posted: 11/27/2015 03:34
Reply: Thanks, I get it now. My mistake.
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