Day 48 - Flashcard: 8.PFA.4 translating and modeling equations

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What is a linear equation?

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What does it mean to solve an equation?

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To solve an equation means to find the value(s) of the variable(s) that make the equation true.

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What is the slope-intercept form of a linear equation?

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How do you isolate a variable in an equation?

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To isolate a variable, you perform inverse operations to get the variable on one side of the equation and the constant on the other.

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What does it mean for two expressions to be equal?

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Two expressions are equal if they have the same value for the same variable(s).

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What is a system of equations?

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A system of equations is a set of two or more equations with the same variables. Solutions are the points where the equations intersect.

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How can you represent a real-world situation with an equation?

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You can represent a real-world situation by identifying the quantities involved and their relationships, then translating those relationships into an equation.

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What is the meaning of the y-intercept in a linear equation?

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What is the equation that represents Nathan and Katherine's money situation?

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