Is  $\sqrt{16}$ rational or irrational? 

Is  $\pi$ rational or irrational? 

Is  $0.\overline{3}$ rational or irrational? 

Is  $\frac{7}{9}$ rational or irrational? 

Is  $\sqrt{5}$ rational or irrational? 

Is  $0.123123...$ rational or irrational? 

Is  $-3.582$ rational or irrational? 

Is  $-\sqrt{49}$ rational or irrational? 

Is  $-\sqrt{13}$ rational or irrational? 

Is  $-\frac{7}{5}$ rational or irrational? 

Is  $0$ rational or irrational? 

Is  $0.13131313...$ rational or irrational? 

Is  $-\frac{\pi}{2}$ rational or irrational? 

Is  $-3.888980097...$ rational or irrational?