Roots

Roots $=sqrt(\ )$

This symbol $sqrt(\ )=$ Root

You need to understand the root symbol and what is means for this bit

This tiny plant needs lots of roots to grow.

But what does $sqrt$ really mean?

Use simple numbers that you know to work it out:

$9\^(1/2)=\root2\9$

So $sqrt$ means

What do we have to multiply by itself $2$ times to get $9$

And in this case its $3$ i.e. $3xx3=9$

Answer:

$9\^(1/2)=\root2\9=3$