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. It does not have an equality sign.

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Define a variable in algebra.

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A variable is a symbol, often a letter, that represents an unknown value in an algebraic expression or equation.

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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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What is the coefficient in an algebraic expression?

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A coefficient is a numerical factor that multiplies a variable in an algebraic expression.

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Write the expression for the total cost of renting a car and buying gasoline if the rental cost is m dollars and gasoline costs $25.

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How do you represent the cost of b pounds of blackberries at $6.99 per pound and s pounds of strawberries at $4.99 per pound?

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What is the total cost of 2.5 lbs of almonds at $11.12 per pound and 2.75 lbs of cashews at $13.94 per pound?

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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.