24-25 Pre-Alg 1 Flashcard #5 Practice

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4 terms

Front

If you do homework for m minutes and watch TV for 30 minutes each day, what expression represents the total time spent on both activities in 5 days?

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Front

What operation would you use to find the difference between the shortest average wingspan of an eagle (5 9/10 feet) and the longest (7 1/2 feet)?

Back

Subtraction

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Front

Define a term in mathematics.

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A term is a single mathematical expression that can be a number, variable, or the product of numbers and variables.

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What is an expression in mathematics?

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An expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

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What does it mean for two expressions to be equivalent?

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Two expressions are equivalent if they have the same value for all values of the variables.

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What is the difference between an equation and an expression?

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An equation states that two expressions are equal, while an expression does not include an equality sign.

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What is the purpose of using parentheses in mathematical expressions?

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Parentheses indicate which operations should be performed first in an expression.