Evaluate Algebraic Expressions

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What is an algebraic expression?

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What does it mean to evaluate an algebraic expression?

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To evaluate an algebraic expression means to substitute the values of the variables and perform the operations to find a numerical result.

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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: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). This is often remembered by the acronym PEMDAS.

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What is a variable in algebra?

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How do you substitute a value into an algebraic expression?

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Front

What is the difference between a constant and a variable?

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A constant is a fixed value that does not change, while a variable represents an unknown value that can change.

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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 perform operations to reduce it to its simplest form.