Intended for students with little or no background in basic algebra or whose background is not current. Topics covered include: the real number system, factoring fractions, linear equations, functions ...

And while it is true that people can succeed without achieving advanced competency in math, a deficiency in certain basic math skills is more limiting now than it once was. Today, nearly a third ...

Substitution is the name given to the process of swapping an algebraic letter for its value. Consider the expression 8\({z}\) + 4. This can take on a range of values depending on what number \({z ...