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Web Results

www.purplemath.com/modules/index.htm

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

www.purplemath.com/modules/ordering.htm

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

www.purplemath.com/modules/solvelin.htm

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

www.purplemath.com/lessons.htm

Links to algebra-lessons web sites, with ... free (or free-to-try) off-site tutoring and ... online lessons to its print offerings.

www.purplemath.com/quizzes.htm

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

www.purplemath.com/modules/ineqsolv.htm

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

www.purplemath.com/modules/meanmode.htm

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

www.purplemath.com/modules/fcns.htm

Discusses the concept of functions versus relations, and demonstrates ways of ...

www.purplemath.com/modules/strtlneq.htm

Covers the 'slope-intercept', or 'y = mx + b', form of straight-line equations.

www.purplemath.com/modules/idents.htm

Lists the basic trigonometric identities, and specifies the set to keep track of for ...

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 ...
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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
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Source:
answers.yahoo.com

Q:
Http //www.purplemath.com/modules/graphexp.htm http //www.purplem...

A:
Hello J Lem! Please see: file Sincerely, Sk1lz
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Source:
www.justanswer.com

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 ...
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Source:
answers.yahoo.com

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www.purplemath.com