MP2 9 Wk Review - REDO

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What is the order of operations in mathematics?

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The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

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What does it mean for two expressions to be equivalent?

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Two expressions are equivalent if they have the same value for all values of the variables involved.

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What is a variable in mathematics?

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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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What is the definition of an expression in mathematics?

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An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

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What does it mean to simplify an expression?

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To simplify an expression means to reduce it to its simplest form, combining like terms and performing operations.

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