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#### 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.

__Solved Example on Radical Expression __

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:** [Find the positive square root.]

**Step 3:** [Multiply.]

**Step 4:** [Add.]

**Step 5: **= 6 [Simplify.]

__Related Terms for ____Radical Expression__

- Expression
- Square Root
- Variable
- Radicand
- Radical
- Radical Equation
- Radical Inequality

__Additional Links for ____Radical Expression__