Mathematical Concepts Flashcards

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Variable

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A letter or symbol used to represent an unknown number in a mathematical expression or equation.

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Equation

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A mathematical statement that shows two expressions are equal, usually containing an equals sign (=).

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Expression

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A mathematical phrase containing numbers, variables, and operation symbols but no equal sign.

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Solution

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A value that, when substituted for a variable, makes an equation true.

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Inverse

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The opposite of a number or operation, such as addition and subtraction or multiplication and division.

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Coefficient

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A number that is in front of a variable in an algebraic expression.

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Addition Property

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A property stating that if the same number is added to both sides of an equation, the equation remains true.

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Subtraction Property

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A property stating that if the same number is subtracted from both sides of an equation, the equation remains true.

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Division Property

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A property stating that if both sides of an equation are divided by the same nonzero number, the equation remains true.

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Multiplication Property

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A property stating that if both sides of an equation are multiplied by the same number, the equation remains true.