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x^2 - 7 = 0

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Bunuel
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x^2 - 7 = 0 [#permalink] New post   24 Oct 2017, 01:03
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x^2 - 7 = 0

Quantity A
Quantity B
x
3


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 correct solution.
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B
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IlCreatore
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Re: x^2 - 7 = 0 [#permalink] New post   25 Oct 2017, 07:55
1
From the equation above we get \(x = \sqrt7 < 3\).

Answer B
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GREMasterBlaster
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Re: x^2 - 7 = 0 [#permalink] New post   09 Mar 2018, 12:49
From the given equation, we can get
\(x^2\) = 7

So, either x = + \(\sqrt{7}\) or x = - \(\sqrt{7}\)

In either case, x always less than 3

Thus, Quantity B Greater.
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Arpine
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Re: x^2 - 7 = 0 [#permalink] New post   11 Mar 2018, 07:05
x^2 = 7
x = + \sqrt{7} or x = - \sqrt{7} In both cases it is below 3
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Re: x^2 - 7 = 0 [#permalink]
11 Mar 2018, 07:05
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