An individual one can be called a character.
An unknown number represented by a letter or symbol is a variable.
It is called a variable
A variable
It is a variable
An unknown number is a variable and its symbol is usually in the form of a letter such as x or y
Is called a variable and is represented by and letter
That is called a variable. A letter is often used.
A variable is a symbol for a number that we don't yet know. It is usually a letter such as x or y.
It is called a chemical symbol.
are statments that are true gor any mumber
It is called a variable.
variable