1-6 notes - The quotient is positive Same Sign Examples: 1)...

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Section 1-6 Multiplying and Dividing Real Numbers Identity property of Multiplication For any real number n, n n = 1 Example : = 4 1 Multiplication of Zero For any real number n, 0 0 = n Example : = 632 0 Multiplication of -1 For any real number n, n n - = - 1 Example : = - 97 1
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Multiplying Numbers with the The product of two positive Same Sign numbers or two negative numbers is positive . Examples : 1) = 8 7 2) = - - ) 8 )( 7 ( Multiplying Numbers with The product of a positive and a Different Signs negative number is negative . Examples: 1) = - 9 3 2) = - ) 9 ( 3 Evaluating expressions 3 - = x 5 - = y Examples: 1) xy 2 2) xy 3 -
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Simplifying Exponential Exponents only affect what they Expressions are directly touching. Example 1) 4 3 - 2) ( 29 4 3 - 3) 2 4 3 - Dividing Numbers with the
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Unformatted text preview: The quotient is positive Same Sign Examples: 1) = 4 16 2) =--) 6 ( 18 Dividing Numbers with The quotient is negative Different Signs Example: 1) = -) 6 ( ) 18 ( 2) =- ) 4 ( 36 Evaluate the expressions 2-= x , 6 = y and 20 = z 1) 4 20 3 + y x ******* 2) z y x 2 4 + Multiplicative Inverse Every real number a has a multiplicative inverse a 1 such that 1 1 = a a . Division Using the Reciprocal Dividing is the same as multiplying by the multiplicative inverse ( reciprocal ). Evaluate : 5 2-= x and 10 3 = y . 1) y x 2) x y HOMEWORK: P. 41 (6-12 even) (17-37 odd) (45-51odd) (61 & 73)...
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1-6 notes - The quotient is positive Same Sign Examples: 1)...

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