Vertical line test:


Finding vertical asymptotes:

Domain and range of a graph:

Finding domains of functions without graphs:

Introduction to function notation:

Composite functions:

Inverse functions:

Horizontal line test for inverses:

Using the quadratic formula:

Completing the square:

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

More complicated examples of using the discriminate to find solutions to quadratics:

Using the discriminate to determine the intersection of lines and curves:

Quadratic word problems example:

Sketching quadratic graphs:

Completing the square to sketch quadratics:

An introduction to transforming graphs (translations):

An introduction to transforming graphs (stretches):

Transforming non trig functions past paper questions:

Past Papers and Revision

A mixture of IB SL past paper questions:

An overview of all the functions content for IB SL (40 mins):

IB SL Functions playlist: