Here are some websites that can help you if you have difficulty with some of the topics in Algebra, or if you just want to explore and learn more.

At the bottom of this page are links for FACTORING POLYNOMIALS and
PARABOLAS

KHAN
ACADEMY (Online videos of various math topics, various levels;
EXCELLENT site)

PUBLISHER'S VIDEOS
(These are the videos that match
every section in our textbook)

COORDINATE
GRAPHING This is a page of links I've found
just on coordinate graphing (points, slope, graphing equations)

GENERAL ALGEBRA LINKS:

(These sites are mostly the index or first page of a site that
covers most topics in Algebra and beyond. Peruse them as you
need, to find whatever topic you're looking for.)

Basics of Algebra (5 pages, starting with this page)

Math.com Algebra (very good site)

Algebra - Math for Morons Like Us

Purplemath - "Your Algebra Resource"

Algebrahelp.com (lesson index)

Understanding Algebra (An online algebra text)

Math
is Fun - Algebra page (index to many Algebra topics)

Technical Tutoring (Algebra Help Pages Index)

Interactive Mathematics Miscellany and Puzzles, Algebra Page

The Math Page: Skill in Algebra

Basic Algebra Topics (start part-way down the page)

FACTORING POLYNOMIALS:

http://www.coolmath.com/algebra/Algebra1/10FactDivPolys/04_undoingFOIL.htm

http://www.coolmath.com/algebra/Algebra1/10FactDivPolys/05_hardertris.htm

http://www.factoring-polynomials.com/factoring-trinomials-2.htm

http://www.algebrahelp.com/lessons/factoring/trinomial/

http://www.mathpower.com/tut97.htm

http://hotmath.com/help/gt/genericalg1/section_6_10.html

http://www.webmath.com/factortri.html

PARABOLAS: (See HERE
for more "Conics")

http://astronomy.swin.edu.au/cosmos/P/Parabola

http://www.mathwarehouse.com/quadratic/parabola/interactive-parabola.php