Operations on irrational numbers

Simplify the expression.

 $\sqrt{\frac{6}{5}}$  

•  $\frac{\sqrt{11}}{5}$  

•  $\frac{\sqrt{30}}{5}$  

•  $\frac{\sqrt{11}}{25}$  

•  $\frac{\sqrt{30}}{25}$  

Simplify $\frac{\sqrt{147}}{\sqrt{3}}$  

• 7

•  $\sqrt{7}$  

•  $\sqrt{49}$  

• 49

 $\sqrt{5}\times\sqrt{5}=\sqrt{25}$  is an example of

• Division of roots with the same index

• Addition of roots with the same index

• Multiplication of roots with the same index

• Powers of roots with the same index

Simplify the expression:
6 / √3 

• √18 ⁄ 3
• 2√3
• 6√3 ⁄ 3
• 6

An irrational number multiplied by 0 will result in an irrational number.

• Always True

• Sometimes True

• Never True

 $-\sqrt{8}\times\sqrt{8}$  

• -8

•  $-\sqrt{16}$  

•  $\sqrt{-64}$  

•  $-\sqrt{64}$  

• Rational

• Irrational

• 4