What is radical number?

Answer 1

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.
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.]

Answer 2

Another word for square roots is "radicals" which are the opposite operation of exponentiation; You undo a power with a radical, and a radical can undoes a power. For example: 4 is 22 so the square root or radical of 4 is 2.