variable

Symbols used to represent unspecified numbers or values.

power

A number that can be expressed using a base and an exponent.

base

In an expression of the form xⁿ, it is the x.

exponent

A mathematical notation indicating the number of times a quantity is multiplied by itself.

exponent

In an expression of the form xⁿ, it is the n.

evaluate

To find the value of an expression in simpliest form.

substitute

Replacing the numbers for the variables in the expression being evaluated.

coefficient

The numerical factor of a term.