Unit 1.  Set Language and Notation (Also on IGCSE 0607):

Venn Diagram Logic

Venn Diagram Shading

Set Builder Notation:

Indices and Venn diagram past paper questions:

Functions:

Functions. (Also on IGCSE 0607):

Introduction to function notation:

Composite functions:

Inverse functions:

Finding if a graph has an inverse:

Finding domains of functions:

Finding vertical asymptotes:

Using the discriminate to find the number of solutions to a quadratic:

Sketching quadratic graphs:

Solve absolute value equations:

Graphing absolute values of functions 1:

Functions past paper questions:

Quadratic Functions:

Completing the square:

http://www.youtube.com/watch?v=2fSfDVJXWPA

Using the discriminant to determine number of solutions:

Introduction:

With k:

Solving quadratic inequalities:

Exam style questions:

How to use the discriminant to determine intersections of a curve and and a line: