Question 2 of 6

Select the correct answer.

Simplify: [tex]\sqrt{32}[/tex]

A. [tex]4 \sqrt{8}[/tex]
B. 16
C. [tex]16 \sqrt{2}[/tex]
D. [tex]4 \sqrt{2}[/tex]

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Answer :

To simplify [tex]\(\sqrt{32}\)[/tex], we need to break down the number 32 into its prime factors and then simplify the square root. Let's do it step-by-step:

1. Prime factorization of 32:
[tex]\[ 32 = 2^5 \][/tex]

2. Rewrite the square root using the prime factorization:
[tex]\[ \sqrt{32} = \sqrt{2^5} \][/tex]

3. Factor out squares:
We can rewrite [tex]\(\sqrt{2^5}\)[/tex] as [tex]\(\sqrt{(2^4) \cdot 2}\)[/tex]:
[tex]\[ \sqrt{2^5} = \sqrt{(2^4) \cdot 2} = \sqrt{2^4} \cdot \sqrt{2} \][/tex]

4. Simplify [tex]\(\sqrt{2^4}\)[/tex]:
[tex]\[ \sqrt{2^4} = 2^2 = 4 \][/tex]

5. Combine the simplified terms:
[tex]\[ \sqrt{32} = 4 \cdot \sqrt{2} \][/tex]

So, the simplified form of [tex]\(\sqrt{32}\)[/tex] is:
[tex]\[ \boxed{4 \sqrt{2}} \][/tex]