Introduction to Radicals

The expression such as $\sqrt[14]{16}$  is called as ......

• Radical

• Radicand

• Square root of

• Radical Sign

In  $\sqrt{3}$ ,  3 is called ......... 

• Radical

• Radicand

• Exponent

• Index

 $\sqrt[4]{6}$  can be read as ....... 

• Sixth power of four

• Fourth power of six

• Fourth root of six

• Sixth root of four

 $\sqrt[3]{-8}$  can be read as 

-

• Minus cube root of minus eight

• Square root of minus eight

• Square root of eight

• Cube root of minus eight 

 $\sqrt{25}$  is equal to .......

• 125

• 625

• 5

• 1

 $\sqrt[4]{16}$  is equal to 

• 2

• 3

• 4

• 8

 $\sqrt[3]{-64}$  is ......

• not a real number

• 4

• -4

• -8

 $\sqrt{-4}$  is ....

• not a real number

• -2

• 2

 $\sqrt[10]{\left(-10\right)^{10}}$  is .....

• not a real number

• -10

• 10

 $\sqrt[4]{-16}$  is .....

• not a real number

• -2

• 2