Mathematics Vocabulary

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Absolute Value

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The distance of a number from zero on the number line, without considering direction.

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Coefficient

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A numerical or constant quantity placed before and multiplying the variable in an algebraic expression.

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Combine Like Terms

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The process of simplifying algebraic expressions by adding or subtracting like terms.

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Constant

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A fixed value that does not change.

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Denominator

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The bottom number in a fraction, which shows how many equal parts the item is divided into.

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Domain

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The set of all possible input values (x-values) for a function.

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Equation

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A mathematical statement that asserts the equality of two expressions.

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Function

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A relation between a set of inputs and a set of permissible outputs.

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Function Notation

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A way to name a function that is defined by an equation.

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Like Terms

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Terms whose variables (and their exponents) are the same.