Progress Algebra Complete & Continue Next Lesson Learn More Chapter 1: Foundations of Algebra 4 Lessons Review of Expressions and Equations Properties of Real Numbers Inequalities Operations with Exponents and Radicals Chapter 2: Linear Functions and Systems 4 Lessons Linear Equations and Their Graphs Modeling with Linear Functions Systems of Linear Equations Systems of Linear Inequalities Algebra Complete & Continue Next Lesson Learn More Chapter 2: Linear Functions and Systems Modeling with Linear Functions