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Lesson 1.4

# Lesson 1.4 - Lesson14 Objective: Vocabulary Term...

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Lesson 1-4 Distributive Property Objective: Use the distributive property to evaluate expressions. Vocabulary: Term A number, variable, or product of numbers and variables that make  up an expression. Coefficient The numerical part of a term that contains a variable. Like terms Terms that contain the same variables, such as 2 a  and 5 a  or 7 xy  and  3 xy . Equivalent expressions Expressions whose values are the same for any value of the variable. Simplest form An equivalent expression having no like terms and no parentheses. You can buy a DVD for \$21 each plus \$3 for shipping each DVD.  How much would 2 DVDs cost? Both methods cost \$48.  This example shows how the Distributive Property can be applied to simplifying  expressions. It does not matter whether  a  is placed to the right or to the left of the expression in parentheses.  So,  ca ba a c b + = + ) (  and ca ba a c b - = - ) ( .

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Lesson 1.4 - Lesson14 Objective: Vocabulary Term...

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