Introduction to Radicals

The number under the radical symbol is called what?

• radical

• square root

• radicand

• index

The index of the above radical is ___.

• 1

• 2

• 3

• 9

The radical symbol used above is called ___.

• square root

• cube root

• long division

If you square both sides of a radical equation and obtain a solution that does not satisfy the original equation, you have found what?

• nth root

• extraneous solution

• radical equation 

• identity function

√3x + 5 < 0 and √2x - 1 > 0 are what?

• radical expressions

• inverse functions

• identity functions

• radical inequalities

y=√3x - 5 is what type of function?

• inverse

• extraneous

• square root

• radical

This is called the...

• radicand

• index

• radical symbol

• root

The expression inside the radical symbol is called the...

• index

• radicand

• radical

• power

When there is more than one real root and n is even, this is the nonnegative root.

• square root

• radicand

• index

• principal root