# Study this table. Algebraic Expressions VariablesConstantsOperation Involved a + 2a2 Addition 3xx3 multiplication ½ y – 3y½, 3 Multiplication and subtraction.

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Study this table. Algebraic Expressions VariablesConstantsOperation Involved a + 2a2 Addition 3xx3 multiplication ½ y – 3y½, 3 Multiplication and subtraction a, b2 Addition and division y2 division next

Identify the constants, variables, and the operations involved in the following algebraic expressions. Click on the letter of your answer. a. 5 and -1 b. x What is the variable in 5x – 1

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What is the constant in the expression 4πr? b. 4 π4 π a. 44

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What are the operations involved in this expression ? a.addition and divisionaddition and division b. divisiondivision

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Decide whether each quantity is constant or variable. 1. the electric bill each month constant variable

Correct! Since the electric bill changes or varies every month. next

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2. the number of days in a week variable constant

Correct! Since the number of days in a week does not change. There is always 7 days in 1 week. next

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List the possible values of the variable. Write your answer on your paper. Example: j is a positive number greater than 2 but less than 5 answer: j = 3 and 4 a. m is a negative integer greater than -3. b. d is an odd number greater than 10 but less than 20. EXIT

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