Algebra

Download Intermediate Algebra 2e by OpenStax (Marecek & Honeycutt Mathis) free PDF or read online — 12 chapters covering linear equations, functions, polynomials, factoring, radicals, quadratics, logarithms, conics and sequences, free under CC BY-NC-SA 4.0.

Download Elementary Algebra 2e by OpenStax, a free foundation-level algebra textbook covering equations, graphing, factoring, and quadratics.