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Patterns and Expressions

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Patterns and Expressions
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Vocabulary

algebraic expression

algebraic expression

An algebraic expression is a mathematical phrase combining numbers and/or variables using mathematical operations.
\therefore

\therefore

The symbol \therefore means "therefore" or "because of this."
Algebraic Equation

Algebraic Equation

An algebraic equation contains numbers, variables, operations, and an equals sign.
domain

domain

The domain of a function is the set of x-values for which the function is defined.
Equation

Equation

An equation is a mathematical sentence that describes two equal quantities. Equations contain equals signs.
horizontal axis

horizontal axis

The horizontal axis is also referred to as the x-axis of a coordinate graph. By convention, we graph the input variable on the x-axis.
Range

Range

The range of a function is the set of y values for which the function is defined.
Variable

Variable

A variable is a symbol used to represent an unknown or changing quantity. The most common variables are a, b, x, y, m, and n.
vertical axis

vertical axis

The vertical axis is also referred to as the y-axis of a coordinate graph. By convention, we graph the output variable on the y-axis.

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