Mixed Bag Assessment

Every rational number is

• Natural Number

• Whole number

• real number

• Integers

Which of the following is irrational?

• $\sqrt{\frac{4}{9}}$

• $\sqrt{\frac{12}{13}}$

• $\sqrt{7}$

• $\sqrt{81}$

 $2\sqrt{3}\ +\ \sqrt{3}$  is equal to

•  $2\sqrt{6}$  

• 6

•  $3\sqrt{3}$  

•  $4\sqrt{6}$  

 $The\ number\ obtained\ by\ rationalizing\ the\ number\ \frac{1}{\sqrt{7}\ -\ 2}$  

•  $\frac{\sqrt{7\ }+\ 2}{3}$  

•  $\frac{\sqrt{7}\ -\ 2}{3}$  

•  $\frac{\sqrt{7}\ +\ 2}{5}$  

•  $\frac{\sqrt{7}\ +\ 45}{3}$  

Decimal representation of a rational number cannot be

• Terminating

• Non-terminating

• Non-terminating repeating

• Non-terminating non-repeating

 $The\ decimal\ \exp ansion\ ofthe\ number\sqrt{2}\ is$  

• a finite decimal

• 1.41421

• non-terminating recurring

• non-terminating non-recurring