Vocabulary Words and Definitions for Algebra I

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Absolute Value

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The distance of a number from zero on the number line, without considering direction; the value of a number without its sign; the magnitude of a real number without regard to its sign.

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An Algebraic Expression is:

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a mathematical phrase that can contain numbers, variables, and operation symbols

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Combining like terms means:

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Adding or subtracting terms that have the same variables and exponents.

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What is a Constant in algebra?

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A fixed value that does not change

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Which expression illustrates the Distributive Property? Options: a(b + c) = ab + ac, a + b = b + a, a(bc) = (ab)c, a + (b + c) = (a + b) + c

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a(b + c) = ab + ac

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What is the Domain in a relation or function?

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The set of all possible input values

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The Elimination Method is a technique used to:

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solve systems of equations by removing variables

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What is an equation?

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A mathematical statement that asserts the equality of two expressions

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Equivalent Expressions are expressions that:

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are equal for all values of the variables

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How do you evaluate an expression?

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By following the order of operations