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-|-x| or -(x)
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25 May 2021, 19:54
25 May 2021, 19:54
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Question Stats:
69% (00:45) correct
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\(x \neq 0\)
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Quantity A |
Quantity B |
\(-|-x|\) |
\(-(x)\) |
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Re: -|-x| or -(x)
[#permalink]
26 May 2021, 00:07
26 May 2021, 00:07
2
x = 1 :: Qt A = Qt B
x = -1 :: Qt A < Qt B
Answer D
x = -1 :: Qt A < Qt B
Answer D
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GMAT 1: 700 Q51 V31
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Re: -|-x| or -(x)
[#permalink]
29 Dec 2021, 02:36
29 Dec 2021, 02:36
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Given that \(x \neq 0\)
Now let's take two cases
Case 1: x is positive number
Let's take x = 1
Quantity A = -|-x| = -|-1| = -1
Quantity B = -(x) = -(1) = -1
=> Quantity A = Quantity B
Case 2: x is negative number
Let's take x = -1
Quantity A = -|-x| = -|-(-1)| = -|1| = -1
Quantity B = -(x) = -(-1) = 1
=> Clearly two Quantities are not equal
So, we cannot say for sure if Quantity B is bigger or is equal to Quantity A
So, Answer will be D
Hope it helps!
Watch the following video to learn the Basics of Absolute Values
Now let's take two cases
Case 1: x is positive number
Let's take x = 1
Quantity A = -|-x| = -|-1| = -1
Quantity B = -(x) = -(1) = -1
=> Quantity A = Quantity B
Case 2: x is negative number
Let's take x = -1
Quantity A = -|-x| = -|-(-1)| = -|1| = -1
Quantity B = -(x) = -(-1) = 1
=> Clearly two Quantities are not equal
So, we cannot say for sure if Quantity B is bigger or is equal to Quantity A
So, Answer will be D
Hope it helps!
Watch the following video to learn the Basics of Absolute Values
