Quadratic Functions
FIU has online movies to help with this topic on this page. You must have QuickTime Player, a free download, installed on your computer.
Movie 6.35 on this page also deals with graphing parabolas.
The University of Idaho provides another online resource. These lectures are only viewable by those with DSL or cable modems. Real Player, a free download, is required to see these videos.
An introduction to quadratic functions
Sketching the graph of a quadratic function using transformations
Finding the vertex, intercepts and axis of symmetry
Graph
a quadratic function using transformations
Identify
the vertex and axis of symmetry of a quadratic function
Graph
a quadratic function using its vertex, axis, and intercepts: two x-intercepts
Graph
a quadratic function using its vertex, axis, and intercepts: no x-intercepts
Other online help:
Completing the square to find the vertex