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Updated on: 01 Feb 2019, 04:10
Originally posted by DebbieChats on 01 Feb 2019, 04:05.
Last edited by Bunuel on 01 Feb 2019, 04:10, edited 1 time in total.
Last edited by Bunuel on 01 Feb 2019, 04:10, edited 1 time in total.
Renamed the topic and edited the question.
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
82% (00:56) correct
18%
(00:50)
wrong
based on 221
sessions
History
Date
Time
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Not Attempted Yet
What is the value of a?
(1) a^2 + a – 12 = 0
(2) |a| > 2
(1) a^2 + a – 12 = 0
(2) |a| > 2
Why is it not C?
01 Feb 2019, 04:12
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What is the value of a?
(1) a^2 + a – 12 = 0 --> a = -4 or a = 3. Not sufficient.
(2) |a| > 2 --> a < -2 or a > 2. Not sufficient.
(1)+(2) Both a = -4 and a = 3 satisfy |a| > 2, so we cannot find the single numerical value of a. Not sufficient.
Answer: E.
(1) a^2 + a – 12 = 0 --> a = -4 or a = 3. Not sufficient.
(2) |a| > 2 --> a < -2 or a > 2. Not sufficient.
(1)+(2) Both a = -4 and a = 3 satisfy |a| > 2, so we cannot find the single numerical value of a. Not sufficient.
Answer: E.
01 Feb 2019, 04:20
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(1)+(2) Both a = -4 and a = 3 satisfy |a| > 2, so we cannot find the single numerical value of a. Not sufficient.
1+2
a< -2 and a=-4 ...so a is -4? (C) wrong logic?
1+2
a< -2 and a=-4 ...so a is -4? (C) wrong logic?
