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x different from zero

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Carcass
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x different from zero [#permalink] New post   11 Dec 2017, 02:54
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\(x\neq{0}\)

Quantity A
Quantity B
\(x^2\)
\(x(x+5)\)



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.
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D
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GreenlightTestPrep
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Re: x different from zero [#permalink] New post   13 Dec 2017, 16:12
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Carcass wrote:
\(x\neq{0}\)

Quantity A
Quantity B
\(x^2\)
\(x(x+5)\)



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.


We can solve this question using matching operations

Given:
Quantity A: x²
Quantity B: x(x+5)

Expand Quantity B:
Quantity A: x²
Quantity B: x² + 5x

Subtract x² from both quantities:
Quantity A: 0
Quantity B: 5x

Divide both quantities by 5:
Quantity A: 0
Quantity B: x

Answer: D

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Re: x different from zero [#permalink]
13 Dec 2017, 16:12
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