A variable is any letter or alphabet that is used to attain a specific number.

Variable definition math. Generally, we use a single letter or alphabet to represent a. Variables may also refer to a letter,. View our lesson on writing algebraic expressions.

In algebraic equations, the value of one variable is often dependent on the. A value and a name. The value of the “x” variable can easily be.

“x” here acts as a variable. For example, x + 8 = 16; Defining your variables, and deciding how you will manipulate and measure them, is an important part of experimental design.

In simpler terms, a variable stands as a symbol for an unknown number whose value is not given. In mathematics, a variable (from latin variabilis, changeable) is a symbol and placeholder for any mathematical object.in particular, a variable may represent a number, a vector, a matrix, a. Why variable when it may have just one value?

Variables are often introduced in math by asking students. As prof zalman usiskin reminds us, a variable need not only stand for numbers. 3 is a coefficient because it is being multiplied by a variable.

A dependent variable is a type of variable that is used in mathematics, statistics, and the experimental sciences. In math, the variable is generally denoted by alphabet x , y , z etc. Unemployment and other economic variables.