## Related Words

# RADICAL EXPRESSION

## Definition of Radical Expression

A radical expression is an expression containing a square root.

### Examples of Radical Expression

are examples of radical expression

### More about Radical Expression

Radical: The √ symbol that is used to denote square root or nth roots.

Radicand: Radicand is a number or expression inside the radical symbol.

**For example, 5 is the radicand in
.**

Radical equation: An equation containing radical expressions with variables in the
radicands.

Radical inequality: An inequality containing a radical expression with the variable
in the radicand.

### Video Examples: Radical Expression

### Solved Example on Recursive Formula

####
**Ques**: Evaluate the radical expression
when a = 2 and b = 4.

##### Choices:

- A. 9
- B. 8
- C. 7
- D. 6

Correct Answer: D

####
**Solution**:

- Step 1: [Substitute the values of a and b in the given radical expression.]
- Step 2 :=
- Step 3: Multiply.]
- Step 4: = 6 [Simplify.]