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Purplemath

www.purplemath.com/

Purplemath contains practical algebra lessons demonstrating useful techniques and pointing out common errors. Lessons are written with the struggling student ...

Practical Algebra Lessons - Purplemath

www.purplemath.com/modules/index.htm

Practical algebra lessons that emphasize the practicalities of understanding ...

An Ordered Listing of the Lessons - Purplemath

www.purplemath.com/modules/ordering.htm

An Ordered Listing of the Lessons. The Purplemath lessons have been written ...

Solving Linear Equations: 'One-Step' Equations - Purplemath

www.purplemath.com/modules/solvelin.htm

"Linear" equations are equations with just a plain old variable like "x", rather ...

Quizzes and Worksheets - Reviews - Purplemath

www.purplemath.com/quizzes.htm

Links to web sites offering quizzes and worksheets; reviewed by Purplemath.

Lessons and Tutoring - Reviews - Purplemath

www.purplemath.com/lessons.htm

Lessons and Tutoring - Reviews ... added online lessons to its print offerings.

The Order of Operations: PEMDAS - Purplemath

www.purplemath.com/modules/orderops.htm

Explains the order of operations ' PEMDAS') in plain terms, points out common ...

Mean, Median, Mode, and Range - Purplemath

www.purplemath.com/modules/meanmode.htm

Explains how to compute the mean, median, mode, and range of a list of ...

Solving Inequalities: An Overview - Purplemath

www.purplemath.com/modules/ineqsolv.htm

Solving linear inequalities is very similar to solving linear equations, except for ...

The Order of Operations: More Examples - Purplemath

www.purplemath.com/modules/orderops2.htm

Demonstrates the order of operations through worked examples. Points out a ...

Popular Q&A
Q: Help me understand a PurpleMath example?
A: We have the identity: x^3 - a^3 = (x - a) (x^2 + ax + a^2). In our case, we have a^3 = 8, so a = 2.-. Personally, I would have done it this way: 0 = x^3 - 8. 8 ... Read More »
Source: answers.yahoo.com
Q: Help me understand an example from PurpleMath?
A: They factored the (x^3-8) into (x-2).... Source(s): Math Major Read More »
Source: answers.yahoo.com
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A: R.R. Jha, Tutor. Category: Homework. Satisfied Customers: 5470. Experience: . B.Tech. R.R. Jha and 5 other Homework Specialists are ready to help you. Ask your ... Read More »
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A: Hello J Lem! Please see: file Sincerely, Sk1lz Read More »
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Q: So yesterday im working on quadratics and now they jump from chap...
A: 1) When you find f(3) you just plug in 3 for x, so you would have f(3) = 3^2 - 7(3) = 9 - 21 = -12. Similarly, when you want to find f(a-4) you plug in a-4 for ... Read More »
Source: answers.yahoo.com