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If which of the following is equivalent

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If which of the following is equivalent [#permalink] New post 12 Dec 2015, 08:17
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Question Stats:

70% (00:18) correct 29% (00:07) wrong based on 17 sessions
If which of the following is equivalent to \(\frac{x (x^2)^3}{x^2}\) ?

 A \(x^2\)

 B \(x^3\)

 C \(x^4\)

 D \(x^5\)

 E \(x^6\)


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Question: 6
Page: 151
Difficulty: medium
[Reveal] Spoiler: OA

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Re: If which of the following is equivalent [#permalink] New post 12 Dec 2015, 08:19
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Solution

Applying the exponent properties after simplification we do have that \(\frac{x^7}{x^2}\)

So we come up with \(x^5\)

Answer is \(D\)
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Re: If which of the following is equivalent [#permalink] New post 29 Mar 2016, 08:39
choices d and e are both the same
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Re: If which of the following is equivalent [#permalink] New post 12 Jul 2016, 13:11
(E) is probably X^6
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Re: If which of the following is equivalent [#permalink] New post 27 Dec 2016, 08:52
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Carcass wrote:
If which of the following is equivalent to \(\frac{x (x^2)^3}{x^2}\) ?

 A \(x^2\)

 B \(x^3\)

 C \(x^4\)

 D \(x^5\)

 E \(x^6\)



Another approach is to plug in a value for x and see what we get.

Let's plug in x = 2

We get:
[(x)(x²)³]/(x²) = [(2)(2²)³]/(2²)
= [(2)(4)³]/(4)
= [(2)(64)]/(4)
= 128/4
= 32

We know that 32 = 2
So, since x = 2, we can see that 32 = x⁵

Answer: D

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Brent
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Re: If which of the following is equivalent [#permalink] New post 27 Mar 2017, 09:17
The timer is wrong, it is set for C.
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Re: If which of the following is equivalent [#permalink] New post 27 Mar 2017, 12:23
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meiyou wrote:
The timer is wrong, it is set for C.



Its showing C now. I guess some one fixed it. Thanks for pointing out.
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Re: If which of the following is equivalent   [#permalink] 27 Mar 2017, 12:23
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