Understanding Irrational Numbers

Which number is irrational?

•  $\sqrt{25}$  

•  $\sqrt{9}$  

• -34

•  $\sqrt{2}$  

Which number is rational?

•  $\sqrt{14}$  

•  $\sqrt{24}$  

•  $\sqrt{16}$  

•  $\frac{5}{\sqrt{2}}$  

What kind of number is

 $\sqrt{100}$  

• Rational

• Irrational

What kind of number is 4.343434343434...

• irrational

• rational

The symbol

 $\pi$  represents a decimal that doesn't terminate or repeat.  It is what kind of number?

• rational

• irrational

Which number is rational

• $\sqrt{2}$

• $\sqrt{3}$

• $\sqrt{81}$

• $\sqrt{6}$

Is the following number rational or irrational? √2

• Rational
• Irrational

5

• Rational
• Irrational

-17.5

• Rational
• Irrational

which number is a rational number ?

• 1/4
• π
• √3