Translating & Evaluating Algebraic Expressions

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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 + 2 is an algebraic expression.

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What does it mean to evaluate an expression?

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To evaluate an expression means to calculate its value by substituting the variables with specific numbers.

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Translate: five more than a number x.

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x + 5

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Translate: the product of 7 and a number y.

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7y

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What are the coefficients in the expression 3x + 4y - 5?

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The coefficients are 3 and 4.

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What is a term in an algebraic expression?

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A term is a single mathematical expression that can be a number, a variable, or a combination of both multiplied together. For example, in 4 + 16v, the terms are 4 and 16v.

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11

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1

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What is the difference between an expression and an equation?

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An expression is a combination of numbers, variables, and operations without an equality sign, while an equation states that two expressions are equal.

Front

Translate: the sum of a number z and 10.

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z + 10