Algebra Graphing with Coordinates Graphs in two dimensions are very common in algebra and are one of the most common algebra applications in real life.

Beginning and Intermediate Algebra by Tyler Wallace is licensed under a Creative Commons Attribution 3.0 Unported License. (http://creativecommons.org/licenses/by/3.0/)

Algebra students often use the word “PEMDAS” to help remember the order in which we evaluate the mathematical expressions: Parentheses, Exponents, Multiplication, Division, Addition and …

Working with fractions is a very important foundation to algebra. Here we will briefly review reducing, multiplying, dividing, adding, and subtracting fractions.

Many years ago primary school pupils studied "arithmetic" (with no x's) and secondary school pupils started with "algebra" (with x's). Later "arithmetic" was renamed "mathematics" and x's …

x3 Matrix inverses Cramer's rule:2x2,3x3 Matri. ions, substitution .

The rigorous study of the properties of numbers which arise directly from the axioms is called abstract algebra, and it is a fascinating, albeit a very difficult subject, consisting almost entirely …