How do you simplify $sqrt(72/9)$ ?

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Answer 1 · 2015-10-03T01:52:26

$sqrt(72/9) = 2sqrt(2)$

We know $72 = 9*8$ so we can rewrite that as

$sqrt(72/9) = sqrt((9*8)/9) = sqrt(8)$

We know that $8 = 4*2$ and that $sqrt(4) = 2$ thus, we can rewrite and solve this as

$sqrt(72/9) = 2sqrt(2)$

How do you simplify sqrt(72/9)sqrt(72/9)?