Chapter 6 - Spiral Review

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Based on a linear model, if Jamie bought a car for $28,500 in 2005 and it was worth $23,700 in 2008, what will the value be in 2012?

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$17,300

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-16

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What is the equation of the line pictured?

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Definition: Inequality

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A mathematical statement that compares two expressions, showing that one is greater than, less than, or equal to the other.

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Definition: Linear Model

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A model that describes a relationship between two variables using a linear equation.

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Definition: Expression

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A combination of numbers, variables, and operators (such as + and -) without an equality sign.

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Definition: Evaluate

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To calculate the value of an expression by substituting values for variables.

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Definition: Equation of a line

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