Question

the value of a variable can vary but the value of a constant is fixed justified with real life​

Answer 1

Step-by-step explanation:

Constant:

A symbol which has a fixed numerical value is called a constant.

For example:

2, 5, 0, -3, -7, 2/7, 7/9 etc., are constants.

Number of days in a week represents a constant.

In the expression 5x + 7, the constant term is 7.

Variables:

A quantity which has no fixed value but takes no various numerical values is called a variable

Answer 2

Answer:

linear relationship (or linear association) is a statistical term used to describe a straight-line relationship between two variables. Linear relationships can be expressed either in a graphical format where the variable and the constant are connected via a straight line or in a mathematical format where the independent variable is multiplied by the slope coefficient, added by a constant, which determines the dependent variable.