AMS Expressions Unit Assessment

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What is an algebraic expression?

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An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

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What does the Distributive Property state?

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The Distributive Property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

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How do you evaluate an expression with a variable?

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To evaluate an expression with a variable, substitute the value of the variable into the expression and perform the operations. For example, for 6r + 8 with r = 3/4, substitute to get 6(3/4) + 8.

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The value is 13.

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How do you write '19 less dollars than Terry' as an algebraic expression?

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The expression is t - 19, where t represents the amount of dollars Terry has.

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The result is 10 Oreos left.

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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 does it mean to simplify an expression?

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

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What is a constant in an algebraic expression?

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A constant is a fixed value that does not change. For example, in the expression 3x + 5, the number 5 is a constant.

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What is the purpose of parentheses in algebra?

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