Understanding Algebra
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http://www.jamesbrennan.org/algebra/  


James Brennan, Boise State University  
In addition to "stuff to play with" on the web (a Graphing Applet (for exploring slope and intercepts of straight lines), a Prime Factorization Machine, a Prime Number List, a Quadratic Equation Solver, and a Quadratic Function Plotter), this book's full text is available. It presents "The Numbers of Arithmetic" (the basics  an introduction to the real numbers, addition and subtraction, order of operations, fractions, decimals, and percents); a general Introduction to Algebra; Word Problems; Graphing and Straight Lines; Systems of Linear Equations; Polynomials; Rational Expressions; Exponents and Roots; and Quadratic Equations. You can also buy the book through a link on this site. Available at http://www.edteach.com/algebra/, too.  


Levels:  Middle School (68), High School (912) 
Languages:  English 
Resource Types:  Problems/Puzzles, Word Problems, Books, Tutorials 
Math Topics:  Basic Algebra 
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