Question

How do you simplify `sqrt 80 / sqrt 5`?

Answer 1

It is `sqrt80/sqrt5=(sqrt((5*16)/5))=sqrt(16)=4`

Answer 2

`4`

Explanation:

`sqrt80/sqrt5` can also be written as `sqrt((80/5)` or `(80/5)^(1/2)`

Simplify `80/5` or in other terms, divide `80` by `5`;

`=sqrt((cancel(80)16)/(cancel(5)1))`

`=sqrt16`

`=4`