The video "Algebra (Program 2)" explores essential algebraic concepts, such as cost functions, variables, and scatterplots. Through practical examples, the video demonstrates how algebra is used to model real-world situations, like calculating costs in a music downloading service. It emphasizes understanding relationships between variables, graphical representations of equations, and solving for unknowns. The content aligns with Common Core Standards for mathematics, highlighting key skills in problem-solving and critical thinking. Viewers learn to apply algebraic principles to analyze domain, range, and functions. The video serves as a resource for those seeking to strengthen their grasp of mathematical relationships and algebraic reasoning. Part of the "Algebra" series.