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Updated on: 23 May 2018, 21:50
Originally posted by Viserion99 on 23 May 2018, 20:44.
Last edited by Bunuel on 23 May 2018, 21:50, edited 1 time in total.
Last edited by Bunuel on 23 May 2018, 21:50, edited 1 time in total.
Renamed the topic and edited the tags.
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Difficulty:
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Question Stats:
27% (01:48) correct
73%
(01:24)
wrong
based on 11
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If x is an integer, is x positive?
(1) x^2 + 5 >21
(2) |x| < 3
is the official answer correct? can someone explain please?
(1) x^2 + 5 >21
(2) |x| < 3
is the official answer correct? can someone explain please?
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Expert reply
23 May 2018, 21:02
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if x is an integer, is x positive?
1) x^2 + 5 >21
2) |x| < 3
Check to make sure you copied the question correctly. The prompts you gave contradict each other and give an erroneous answer.
2) Translates to: -3 < x < 3 ----> X could be (+) or (-) -----> Insufficient
- eliminate B & D
1) x^2 > 16 -----> x > 4 OR x < -4 -------> Insufficient
- eliminate A
1 & 2) X cannot possibly be between -3 and 3 as well as greater 4 or less than -4. Check the source problem.
-------> ERROR ERROR DOES NOT COMPUTE!!!
1) x^2 + 5 >21
2) |x| < 3
Check to make sure you copied the question correctly. The prompts you gave contradict each other and give an erroneous answer.
2) Translates to: -3 < x < 3 ----> X could be (+) or (-) -----> Insufficient
- eliminate B & D
1) x^2 > 16 -----> x > 4 OR x < -4 -------> Insufficient
- eliminate A
1 & 2) X cannot possibly be between -3 and 3 as well as greater 4 or less than -4. Check the source problem.
-------> ERROR ERROR DOES NOT COMPUTE!!!
23 May 2018, 21:47
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Viserion99
1. Did you copy the question EXACTLY as it is in the source? The statements contradict each other. Both |x| > 4 and |x| < 3 cannot be simultaneously correct.
2. Is the source really MGMAT?
3. Please follow OUR RULES when posting a question. You named the topic incorrectly and put wrong tags.
