Algebra 1.

This online course allows students to review some algebra concepts: solving equations and inequalities, units, straight lines in the referenced plane, functions, affine functions, sequences, systems of equations and inequalities of the first degree with two unknowns, absolute value functions, piecewise functions, fractional exponents, factoring, the second degree and irrational numbers. The concepts are presented in the form of videos and short review exercises with immediate feedback. A final challenge completes the course.