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sqrt x^2 or x
[#permalink]
22 Mar 2022, 02:00
22 Mar 2022, 02:00
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Question Stats:
49% (00:24) correct
49% (00:11) wrong based on 14 sessions
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Quantity A |
Quantity B |
\( \sqrt{x^2}\) |
\(x\) |
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Part of the project: GRE Quantitative Reasoning Daily Challenge - (2022) EDITION
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
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Re: sqrt x^2 or x
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28 Mar 2022, 23:46
28 Mar 2022, 23:46
1
Carcass wrote:
Quantity A |
Quantity B |
\( \sqrt{x^2}\) |
\(x\) |
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Part of the project: GRE Quantitative Reasoning Daily Challenge - (2022) EDITION
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
\(\sqrt{x^2} = |x|\)
https://gre.myprepclub.com/forum/gre-quant-absolute-values-modulus-theory-18389.html#p52039
For \(x = 0\)
Col. A: 0
Col. B: 0
i.e. Col. A = Col. B
For \(x = -1\)
Col. A: 1
Col. B: -1
i.e. Col. A > Col. B
Hence, option D
gmatclubot
Re: sqrt x^2 or x [#permalink]
28 Mar 2022, 23:46
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