#### Extraneous solution

A solution that does not satisfy the original equation and must not be listed as an actual solution.

#### Extracting square roots

The process of solving an equation of the form $u^2 = d$ by the Square Root Property.

#### Exponential form

Let $a$ and $n$ represent real numbers, variables, or algebraic expressions. Write repeated multiplication as \({a^n}\).

#### Exponent

Indicates how many times the base occurs as a factor in exponential form.

#### Evaluating a function

The process of finding the value of $f(x)$ for a given value of $x$.

#### Evaluate

Find the value of an expression when its variables are replaces by real numbers.

#### Equivalent fraction

You can obtain an equivalent fraction by multiplying or dividing the numerator by the same nonzero number.

#### Equivalent inequalities

Two inequalities that have the same solution set.

#### Equivalent equation

Two equations that have the same solutions.

#### Equation

A statement in which two algebraic expressions are equal.