1. Operation of polynomials 2. Factoring 3. Identity and undefined coefficients 4. Restoration 5. Mistake 6. Complex numbers 7. Linear and quadratic equations 8. Discriminant expression in quadratic equations 9. Relationship between roots and coefficients of quadratic equations 10. Quadratic Equations and Quadratic Functions 11. Maximum and minimum 12. Cubic and Quadratic Equations 13. System of equations 14. Linear inequalities and systems of linear inequalities 15. Quadratic inequalities and systems of quadratic inequalities (From the Plane Coordinate Unit, learn in [Bottom Volume]) --------------- Solving exercises and correct answers, Emulsion and correct answer, Browse, Greek letters