Variables can also be used to represent functions as well as quantities.

Define variable in math. A variable is often talked about in mathematics class as a symbol that stands for numbers. Letters are used to represent these changing, unknown quantities. In algebra, a variable is usually a letter or other symbol that stands for a number or quantity that may vary.

Einstein’s famous equation e = mc 2 uses. A symbol for a value we don't know yet. • a letter or symbol representing a varying quantity, for example, n in 10 + n.

4 times of variable x. In mathematics, a variable is a quantity that can change. A variable in math is a letter.

Variable, in algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Students define variables and write expressions to answer questions with unknown amounts. The p variable minus 11.

In mathematics, a variable is a symbol used to represent an arbitrary element that can change or that may take on different values. These worksheets demonstrate the need to clearly define what a. In x + 2 = 6, x is the variable.

Welcome to what is a variable? with mr. Variables are (usually) letters or other symbols that represent unknown numbers or values. As prof zalman usiskin reminds us, a variable need not only stand for numbers.