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27 Nov 2017, 00:01
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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:
45%
(medium)
Question Stats:
67% (01:51) correct
33%
(01:46)
wrong
based on 221
sessions
History
Date
Time
Result
Not Attempted Yet
Is x equal to –1?
(1) |2x – 2| + |2x + 2| = 4
(2) |3x – 2| + |3x + 2| = 6
(1) |2x – 2| + |2x + 2| = 4
(2) |3x – 2| + |3x + 2| = 6
rahul16singh28
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27 Nov 2017, 00:35
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Bunuel
Is x equal to –1?
(1) |2x – 2| + |2x + 2| = 4
(2) |3x – 2| + |3x + 2| = 6
(1) |2x – 2| + |2x + 2| = 4
(2) |3x – 2| + |3x + 2| = 6
Stm 1: X can be 1,-1,0,1/2,-1/2 etc.
Stm 2: X can be 1,-1 etc.
Combined - 1,-1 etc.
Should be E.
27 Nov 2017, 00:53
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(1) When opening module, we can find that equation has 2 solutions: 1 and -1
(2) same as above
Answer E
(2) same as above
Answer E
