b
The symbols used are called variables.
That is called a variable. A letter is often used.
a,b,c. n is used alot. they are called varibles
If you are talking about math then its usually " x " but if that is already use in the expression and you want to use another symbol to represent a DIFFERENT number then you can use y or a or so on.
b
An unknown number represented by a letter or symbol is a variable.
It is called a variable
The unknown or the variable
A polygon with an unknown number of sides is called a n-gon. The letter "N" in n-gon stands for unknown.
The symbols used are called variables.
A variable
a variable
A letter used to represent a number is called a variable. Typically, the letters x and y are used, but technically you can use any letter of the alphabet.
It is a variable
That is called a variable. A letter is often used.
The word "variable" represents an unknown number.