Question

Match the following with a suitable nomenclature.

• A. Constant
• B. Variable
• C. Algebraic expression

Answer 1

An entity with a fixed value is called a constant.
Example: 2, -3, 0.8, etc.

An entity which varies or changes its value is called a variable.
Example: x, y etc.

An algebraic expression is a combination of variables and constants connected with mathematical operators.
$\text{So,}4x-5\text{is an algebraic expression.}$