G9 : Surd (Simplifying and Multiplying)

The simplest form of $\sqrt{28}$  is ....

•  $4\sqrt{7}$  

•  $2\sqrt{7}$  

•  $2\sqrt{14}$  

The simplest form of $\sqrt{18}$  is ...

•  $2\sqrt{9}$  

•  $3\sqrt{6}$  

•  $3\sqrt{2}$  

The simplest form of $\sqrt{30}$  is ...

•  $2\sqrt{15}$  

•  $6\sqrt{5}$  

•  $\sqrt{30}$  

The simplest form of $\sqrt{147}$  is ...

•  $7\sqrt{3}$  

•  $49\sqrt{3}$  

•  $2\sqrt{71}$  

The simplest form of $\sqrt{162}$  is ...

•  $81\sqrt{2}$  

•  $3\sqrt{2}$  

•  $9\sqrt{2}$  

 $\sqrt{6}x\sqrt{5}x\sqrt{12}=$  

find its answer in the simplest form:

•  $2\sqrt{90}$  

•  $6\sqrt{10}$  

•  $12\sqrt{30}$  

Find its answer in the simplest form: $\sqrt{3}x\sqrt{5}x\sqrt{6}=$  

•  $3\sqrt{10}$  

•  $9\sqrt{10}$  

•  $3\sqrt{30}$  

Find its answer in the simplest form: $\sqrt{10}x\sqrt{7}x\sqrt{8}=$  

•  $2\sqrt{70}$  

•  $2\sqrt{140}$  

•  $4\sqrt{35}$  

Find its answer in the simplest form: $\sqrt{3}x\sqrt{2}x\sqrt{12}=\$  

•  $2\sqrt{18}$  

•  $6\sqrt{2}$  

•  $6\sqrt{12}$  

 $\sqrt{6}x\ \sqrt{12}x\sqrt{18\ }=$  

Find its answer in the simplest form:

•  $36$  

•  $6\sqrt{36}$  

•  $12\sqrt{6}$