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=Variables and Expressions=
 * Variables:** Symbols used to represent unspecified numbers or values.
 * Algebraic Expression:** An expression that consist of one or more numbers and variables along with one or more arithmetic operations. Some examples are 5x, 3x-7, 4+P/Q, Mx5n, and 3ab / 5cd. In Algebraic Expressions a raised dot or parentheses usually indictates multiplication, like (x)y or (x)(y) or with the dot it would look like this[[image:http://www.algebra.com/cgi-bin/plot-formula.mpl?expression=c%5E5*c%5E6&x=0003]].
 * Factors:** The numbers being multiplied in a multiplication problem.
 * Product:**The answer to a multiplication problem.

Exponets

 * Power: The little number at the top of the exponet**