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If x^2 = 16, which is greater: 3 or x ?

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Bunuel
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If x^2 = 16, which is greater: 3 or x ? [#permalink] New post   05 Nov 2017, 01:30
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x^2 = 16
Quantity A
Quantity B
3
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

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D
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IlCreatore
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Re: If x^2 = 16, which is greater: 3 or x ? [#permalink] New post   05 Nov 2017, 02:57
Given \(x^2 = 16\), \(x = \pm 4\). Thus, we cannot say which quantity is unequivocally greater than the other because it depends on which value x takes.

Answer D
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Re: If x^2 = 16, which is greater: 3 or x ? [#permalink] New post   09 Feb 2018, 02:12
since the question explicitly does not give a square root symbol taking a square root of 16 could result in +ve or -ve 4
hence (D)
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Re: If x^2 = 16, which is greater: 3 or x ? [#permalink]
09 Feb 2018, 02:12
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