This course extends students' knowledge and understanding of the real number system and its properties through the study of variables, expressions, equations, inequalities, and analysis of data derived from real-world phenomena.  Emphasis is placed on making connections in algebra to geometry and statistics.  Calculator and computer technologies will be used as tools wherever appropriate.  Use of a graphing calculator is considered essential to provide a graphical and numerical approach to topic s in addition to a symbolic approach.  Topics include linear equations and inequalities, systems of linear equations, relations, functions and polynomials.