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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.

Glossary: E