2. Algebra and functions

# Section Links
2.1 Laws of indices
2.2 Surds
2.3 Quadratic functions and graphs
2.4 Discriminant of a quadratic function
2.5 Completing the square
2.6 Solving quadratic equations
2.7 Solving simultaneous equations
2.8 Solving linear inequalities
2.9 Solving quadratic inequalities
2.10 Represent inequalities graphically
2.11 Polynomials
2.12 Algebraic division
2.13 Factor theorem
2.14 Modulus
2.15 Graphs of functions
2.16 Functions, mappings, domain and range
2.17 Composite functions
2.18 Inverse functions
2.19 Transformations of graphs
2.20 Partial fractions
2.21 Use of functions in modelling