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Section_1-1

# Section_1-1 - The quotient of n and 1 This time you must...

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Section 1-1 Using Variables

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Objectives Understand and use variables Translate English sentences and phrases into mathematical equations and expressions Use the order of operations
What is a variable? Name some? Definitions Variable: Algebraic Expression - a mathematical phrase that can include numbers, variables and operations (no equal sign!!!!!!)

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What are some words associated with the following symbols? × ÷ +
Write an algebraic expression for each of the following phrases 3 more than n Difference of n and 10 Product of 6 and n

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Unformatted text preview: The quotient of n and 1 This time you must define the variable 1 st ! 3 times a number plus 10 4 less than 5 times a number Income plus \$40 Equation- mathematical sentence with an equal sign. Track One Media sells all CDs for \$12 each. Write an equation for the total cost of a given number of CDs. What should we do 1 st ? Does any one know the order of operations? Simplify (What does that mean??) 3 2 8 2 ⋅ + ⋅ 2 2 3 21 ⋅-÷ Homework #1 Page6 (1-37 odd) Page12 (1, 3, 6)...
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Section_1-1 - The quotient of n and 1 This time you must...

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