本课程旨在介绍、发展和学习初等代数的基本技能和概念。 主题包括: fundamental operations of real numbers, evaluating algebraic expressions, simple linear equations and inequalities, solving systems of linear equations and inequalities, operations on polynomial -- including factoring integer exponents, introduction to square roots, introduction to graphing, ratio and proportion, applications (word problems), introduction to algebraic rational expressions and equations, and solving quadratic equations by factoring, the quadratic formula, 完成这个正方形。