** Appendix A**

** Glossary**

**absolute value** A number’s distance from zero on the number line.

**addition property of equality** Adding the same number or term to both sides of a true equality creates a new equation that is also true.

**associative property** Terms can be grouped in any order for addition or multiplication.

**base** The number or variable in an exponential expression that is raised to a power or exponent (in *x*^{3}, *x* is the base and 3 is the power or exponent).

**binomial** A polynomial with two terms. Examples are *x* + *y;* 2*a* - 5; *x*^{2} + 7.

**coefficient** The number in front of the variable. For example, in 3*x,* 3 is the coefficient.

**common denominator** The number or variable(s) that are the same denominator in two or more fractions, so that the fractions ...