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May 0510:00 AM PDT
-11:00 AM PDT
GMAT Inequalities is a high-frequency topic in GMAT Quant, but many students struggle because the concepts behave differently from standard algebra. Understanding the right rules, patterns, and edge cases can significantly improve both speed and accuracy.- May 06
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In Episode 3 of our GMAT Ninja Critical Reasoning series, we tackle Discrepancy, Paradox, and Explain an Oddity questions. You know the feeling: the passage gives you two facts that seem completely contradictory.... - May 08
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25 Sep 2014, 23:01
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one question. why A is wrong.
If i substitute 0.4 in equation i get 1 as answer.
Any value from 0.4+ when placed in equation will give a value greater than 1 . It might be slightly higher than 1 but will be higher, so why would it be wrong.?
If i substitute 0.4 in equation i get 1 as answer.
Any value from 0.4+ when placed in equation will give a value greater than 1 . It might be slightly higher than 1 but will be higher, so why would it be wrong.?
25 Sep 2014, 23:15
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prabhakarsharma
Option (D) gives the complete range of x but yes, (A) satisfies the inequality and gives the partial range. The question needs to be worded better.
25 Jul 2016, 06:01
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fluke
Responding to a pm:
Quote:
When x is a factor of the inequality, you need to consider 0 as a transition point. The idea is no different from the other transition points. On the right of 0, x is positive and on the left of 0, x is negative.
If the inequality is: x * (x + 3) > 0, the transition points are 0 and -3.
If the inequality is: (x - 2)(x + 3) > 0, the transition points are 2 and -3.
Does this help?
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