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Unformatted text preview: 15 Subtracting Real Numbers RuleTo subtract a number, add its opposite 1)  6  2 = 2) 8 (4) = 3) 3.7 (4.3) = 8 1 3 2  1 4) 5 10 Absolute Value 1) 8  7 = 2) 7  8 = 3)  4  (10) = Evaluate Expressions Evaluate expression for t = 2 and r = 7 1) r  t = 2) tr = 3)  t  r = 4)  r  (t ) = t = 2 and r = 7 5)  t 2 6)  rt 2 Think about it TRUE OR FALSE  The difference of two numbers is less than the sum of those two numbers.  The difference of two numbers is less than either of those two numbers.  A number minus its opposite is twice the number. Homework # 6 p.34 (11 35 3rd column) (39, 40, 44, 48, 50) (11, 15, 19, 23, 27, 31, 35, 39, 40, 44, 48, 50) ...
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This note was uploaded on 05/16/2011 for the course ALGEBRA 098 taught by Professor Johnson during the Spring '09 term at Grand Valley State.
 Spring '09
 Johnson
 Algebra, Real Numbers

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