Study.com and Khan Academy are two online programs that provide resources for students studying algebra I. Study.com has an online supplementary class on the topic, whereas Khan Academy provides several videos on different topics found in most algebra I classes.
Study.com's algebra I course comes video lessons, a syllabus and exams. Topics covered include equations, formulas and absolute value. Khan Academy's video lectures for algebra I include Introduction to Algebra, Linear Equations, Two-Variable Linear Equations and Their Graphs, Systems of Linear Equations and Introduction To Polynomials and Quadratic Factorization. Each video comes with an accompanying discussion board for students to post questions or comments.