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Evaluating Expressions

Evaluating Expressions. S.W.B.A.T. Use the order of operations to evaluate expressions with variables and expressions with numbers. Brief Review. Variable An unknown number Examples x, y, z Coefficient The number in front of the variable Examples: 2x, 6y, 4z. Evaluating Expressions?.

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Evaluating Expressions

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  1. Evaluating Expressions

  2. S.W.B.A.T • Use the order of operations to evaluate expressions with variables and expressions with numbers

  3. Brief Review • Variable • An unknown number • Examples x, y, z • Coefficient • The number in front of the variable • Examples: 2x, 6y, 4z

  4. Evaluating Expressions? • What does this mean? • When we substitute a specific value for each variable, and then perform the operations • Lets evaluate the expression 3y +2y when y = 5 • 3 ( 5 ) + 2 ( 5 ) • 15 + 10 • 25

  5. Practice • Work on the problems on the worksheet with a partner • If you have any questions , ask them!

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