Algebra Vocabulary and Review

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3x + 2

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An expression

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An equation is

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a sentence stating 2 expressions are equal

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A variable is

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a letter that represents an unknown

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An expression is

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a part of an equation but does not have an equal sign

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A constant is

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a value that does not change

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What is a coefficient?

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The number in front of a variable.

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What does it mean to solve an equation?

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To find the value of the variable that makes the equation true.

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What is the difference between an expression and an equation?

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An expression does not have an equal sign, while an equation does.

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What is a term in algebra?

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A single mathematical expression that can be a number, variable, or the product of numbers and variables.

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What is the purpose of parentheses in algebra?

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To indicate which operations should be performed first.