Chapter one test subjects: 1- Variables and Expressions. define what a variable represents and write algebraic expression for a verbal and vice versa. 2- PEMDAS. 3- Distributive property and adding like terms. 4- Relations and multiple representations ( Verbal , table , ordered pairs , graph , algebraic expression , mapping ) and domain and range. 5- Functions ( tell whether a relation is a function or not ) , and evaluating functions. 6- Equations and solving for a variable. 7- Interpreting graphs.