1-1 notes - 1-1 Using Variables What is a variable Name...

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Unformatted text preview: 1-1 Using Variables What is a variable? Name some? Variable- a symbol usually a letter that represents one or more numbers Algebraic Expression- a mathematical phrase that can include numbers, variables and operations (no equal sign!!!!!!) What are some words associated with the following symbols? 1) + 2) 3) 4) 4) Write Algebraic Expressions 3 more than n Difference of n and 10 Product of 6 and n The quotient of n and 1 5) Define a variable and write the expression 3 times a number plus 10 4 less than 5 times a number Equation- mathematical sentence with an equal sign. Example 3 (page 5) 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 first? Does anyone know the order of operations? PEMDAS Simplify- replace it with its simplest name A) 28 + 23 B) 21 3 - 2 2 Homework #1 Page6 (1-37 odd) Page12 (1, 3, 6) ...
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1-1 notes - 1-1 Using Variables What is a variable Name...

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