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Full-length FE mock with insightful analytics, weakness diagnosis, and video explanations!
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Full-length FE mock with insightful analytics, weakness diagnosis, and video explanations!
21 Apr 2021, 01:30
Kudos
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
61% (00:54) correct
39%
(01:00)
wrong
based on 153
sessions
History
Date
Time
Result
Not Attempted Yet
22 Apr 2021, 01:15
Kudos
Bookmarks
What is the value of y?
(1) |x+9|=y. y is equal to the absolute value of some numbers, which implies that y must be more than or equal to 0 (\(y\geq{0}\)). That's the only thing we can deduce from this statement. Not sufficient.
(2) y^2=9 --> y = 3 or y = -3. Not sufficient.
(1)+(2) Since from (1) \(y\geq{0}\), then from (2) y = 3. Sufficient.
Answer: C.
Hope it's clear.
(1) |x+9|=y. y is equal to the absolute value of some numbers, which implies that y must be more than or equal to 0 (\(y\geq{0}\)). That's the only thing we can deduce from this statement. Not sufficient.
(2) y^2=9 --> y = 3 or y = -3. Not sufficient.
(1)+(2) Since from (1) \(y\geq{0}\), then from (2) y = 3. Sufficient.
Answer: C.
Hope it's clear.
22 Apr 2021, 01:15
Kudos
Bookmarks
Bunuel
What is the value of y?
(1) |x + 9| = y
(2) y^2 = 9
(1) |x + 9| = y
(2) y^2 = 9
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Hope this helps.
