Algebra I Unit 1 Test Review

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a = 7.8

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Simplify the expression: (10xy - 6xz - 15yz) + (-2xy - 7xz + 3yz)

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8xy - 13xz - 12yz

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b = -8

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What is the distributive property in algebra?

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What is a variable in algebra?

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A variable is a symbol (often a letter) that represents a number in mathematical expressions or equations.

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Define a linear equation.

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A linear equation is an equation of the first degree, meaning it has no exponents greater than one.

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

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What does it mean to simplify an expression?

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To simplify an expression means to combine like terms and reduce it to its simplest form.