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# What is the product of (18x)^(1/2) and (2x)^(1/2) ?

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Math Expert
Joined: 02 Sep 2009
Posts: 55668
What is the product of (18x)^(1/2) and (2x)^(1/2) ?  [#permalink]

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04 Mar 2018, 23:16
00:00

Difficulty:

15% (low)

Question Stats:

85% (00:29) correct 15% (00:33) wrong based on 48 sessions

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What is the product of $$\sqrt{18x}$$ and $$\sqrt{2x}$$ ?

(A) 6x^2

(B) 6x

(C) 36x

(D) 36x^2

(E) $$6\sqrt{x}$$

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Re: What is the product of (18x)^(1/2) and (2x)^(1/2) ?  [#permalink]

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04 Mar 2018, 23:23
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Joined: 26 Feb 2016
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What is the product of (18x)^(1/2) and (2x)^(1/2) ?  [#permalink]

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05 Mar 2018, 01:45
Bunuel wrote:
What is the product of $$\sqrt{18x}$$ and $$\sqrt{2x}$$ ?

(A) 6x^2

(B) 6x

(C) 36x

(D) 36x^2

(E) $$6\sqrt{x}$$

The product of $$\sqrt{18x}$$ and $$\sqrt{2x}$$ is $$\sqrt{36*x^2} = \sqrt{36}*\sqrt{x^2} = 6*x$$(Option B)

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Re: What is the product of (18x)^(1/2) and (2x)^(1/2) ?  [#permalink]

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05 Mar 2018, 21:39
$$\sqrt{18x}$$ x $$\sqrt{2x}$$ = $$\sqrt{36x^2}$$

Ans: 6x
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Re: What is the product of (18x)^(1/2) and (2x)^(1/2) ?   [#permalink] 05 Mar 2018, 21:39
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