Midterm Review DAY ONE

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-16

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7

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5x + 21

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-\frac{1}{2}x + 2

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-25

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Definition: Order of Operations

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The rules that dictate the sequence in which operations are performed in a mathematical expression (PEMDAS: Parentheses, Exponents, Multiplication and Division, Addition and Subtraction).

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Definition: Like Terms

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Terms that have the same variable raised to the same power, which can be combined (e.g., 2x and 3x).

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Definition: Distributive Property

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A property that states a(b + c) = ab + ac, allowing you to multiply a single term by two or more terms inside a set of parentheses.

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Definition: Simplifying Expressions

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The process of reducing an expression to its simplest form by combining like terms and performing operations.

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Definition: Negative Exponents

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An exponent that indicates the reciprocal of the base raised to the absolute value of the exponent (e.g., x^{-n} = 1/x^n).