TSI Review: Domain 1 Flashcard

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x = 2

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Front

What is the expression for the total cost of making g glasses of lemonade if the stand costs $45 and each glass costs 10¢?

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If Janice weighs x pounds, and Elaina weighs 23 pounds more than Janice while June weighs 14 pounds more than Janice, what is the sum of their weights minus 25 pounds?

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What is the definition of a variable in mathematics?

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A variable is a symbol used to represent an unknown value.

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What does it mean for an equation to be balanced?

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An equation is balanced when both sides have the same value.

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What is the principle of substitution in algebra?

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The principle of substitution allows you to replace a variable with its corresponding value.

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What is the distributive property?

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What is the difference between an expression and an equation?

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An expression does not have an equality sign, while an equation does.