Writing and Solving Equations Review

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What is an equation?

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An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

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What does it mean to isolate a variable in an equation?

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Isolating a variable means rearranging the equation so that the variable is on one side and all other terms are on the other side.

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What is a coefficient in an algebraic expression?

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A coefficient is a numerical factor that multiplies a variable in an algebraic expression.

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What is a constant in an algebraic expression?

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A constant is a fixed value that does not change, represented by a number in an algebraic expression.

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What is a term in an algebraic expression?

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A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by addition or subtraction.

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What does it mean to 'model' a situation with an equation?

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Modeling a situation with an equation means creating a mathematical representation of a real-world scenario using variables and constants.

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What is the difference between a variable and a constant?

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A variable is a symbol that represents an unknown value, while a constant is a fixed value that does not change.