Question

Which of the following is equivalent to √8? A.2 B.√2 C.2 √2 D.2 + √2

Answer 1

Answer:

$C.2\sqrt{2}$

Step-by-step explanation:

Step 1: Know you can split 8 into factors of 4 and 2

$\sqrt{(4)(2)}$

Step 2: Recognize 4 is a square number

$\sqrt{(2^{2})(2) }$

Step 3: Because $2^{2}$  is squared you can move it out

$2\sqrt{2}$

Therefore the answer is C