Question

In algebra, we use a(n) _____ to represent a variable.

Answer 1

We use letters to represent variables

Answer 2

Answer – A letter
 In algebraic equations, a variable refers to an unknown or changeable number. Typically, all the letters in the alphabet are used to represent variables in algebra. Letters from the Greek alphabet are also used in some advanced algebra. Therefore, in algebra, we use a letter to represent a variable.