Are you looking for a way to help your high school students easily understand Algebra, Trigonometry, and PreCalculus Key Concepts? This Algebra Review and Mastery Basic 2 on Equations & Inequalities covers key mathematical concepts such as The Rectangular Coordinate System and Graphs, Linear Equations, Complex Numbers, Quadratic Equations, Linear and Absolute Value Inequalities for your 9th, 10th, 11th, 12th, higher grades, or homeschool math classes. This lesson plan contains 178 summary sl