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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

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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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Sorry! Wrong answer. back

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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

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

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Sorry! Wrong answer. back

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2. the number of days in a week variable constant

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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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Sorry! Wrong answer. back

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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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