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Difficulty: Sub 505 Level,    Algebra,    Roots,                            
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Re: SQRT (16 + 16)^1/2 = [#permalink]
1
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\sqrt{16+16} = \sqrt{2*16}
= 4\sqrt{2}

Ans is (A)
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Re: SQRT (16 + 16)^1/2 = [#permalink]
Expert Reply
SOLUTION

\(\sqrt{16+16}=\)

(A) \(4\sqrt{2}\)
(B) \(8\sqrt{2}\)
(C) \(16\sqrt{2}\)
(D) 8
(E) 16

\(\sqrt{16+16}=\sqrt{32}=\sqrt{16*2}=4\sqrt{2}\).

Answer: A.
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Re: SQRT (16 + 16)^1/2 = [#permalink]
Expert Reply
Bunuel wrote:
The Official Guide For GMAT® Quantitative Review, 2ND Edition

\(\sqrt{16+16}=\)

(A) \(4\sqrt{2}\)
(B) \(8\sqrt{2}\)
(C) \(16\sqrt{2}\)
(D) 8
(E) 16


Solution:

√(16 + 16)

√32

√16 x √2

4√2

Answer: A
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Re: SQRT (16 + 16)^1/2 = [#permalink]
Hi
√16+16= √16(1+1)=√16*2= 4√2

Answer: A.
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Re: SQRT (16 + 16)^1/2 = [#permalink]
\(\sqrt{16+16} = \sqrt{32}\)
\(= \sqrt{2^5} = \sqrt{2^2 * 2^2 * 2} = 2*2\sqrt{2} = 4\sqrt{2}\)(Option A)
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Re: SQRT (16 + 16)^1/2 = [#permalink]
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Re: SQRT (16 + 16)^1/2 = [#permalink]
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