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School Basic Algebra Stars indicate particularly interesting
answers or good places to begin browsing. Selected answers to
common questions: Solving simple linear equations.
Positive/negative integer rules. Completing the square. Direct
and indirect variation. Inequalities and negative numbers. -
What are the solutions to x^4+9 = 0 ? [03/31/2003] How to work
with complex numbers when the root is higher than two? - What
Does It Mean to Distribute [08/25/2007] I understand the basics
of the distributive property, but I'm confused about what the
'over' means, like in the distributive property of
multiplication over addition or over subtraction. - What is a
Partial Fraction? [01/08/1999] What do partial fractions have to
do with polynomials? - What is the Purpose of a Matrix?
[11/04/2003] What is the purpose of a matrix? - What's the
Second Part? [3/21/1995] If x = root3 + root2, show that x^4 -
10x^2 +1 = 0. Hence prove that root3 + root2 is irrational.