5.12.2: Videos Last updated Jan 2, 2025 Save as PDF 5.12.1: Key Concepts 5.12.3: Formula Review Page ID129567 OpenStaxOpenStax ( \newcommand{\kernel}{\mathrm{null}\,}\) 5.1 Algebraic Expressions Q&A: Why We Teach Algebra 5.2 Linear Equations in One Variable with Applications Solving for a Variable in an Equation 5.5 Graphing Linear Equations and Inequalities Graphing Linear Inequalities in Two Variables 5.6 Quadratic Equations with Two Variables with Applications Factoring with the Box Method (Area Model) Solving Quadratics with the Zero Property Solving Quadratics with the Quadratic Formula 5.7 Functions Relations and Functions Domain and Range on Graphs 5.9 Systems of Linear Equations in Two Variables Practice with Solving Applications of Systems of Equations Applications of Systems of Linear Equations 5.10 Systems of Linear Inequalities in Two Variables Solving Systems of Linear Inequalities by Graphing Systems of Linear Inequalities