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: Thesymbol 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.
Correct Answer: D
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