# Properties of Real Numbers

 .remove_background_ad { border: 1px solid #555555; padding: .75em; margin: .75em; background-color: #e7e7e7; } .rmbg_image { max-height: 80px; } a + b = b + a 3 + 7 = 7 + 3 Commutative Property of Addition a * b = b * a 3 * 7 = 7 * 3 Commutative Property of Multiplication (a + b) + c = a + (b + c) (6 + 4) + 5 = 6 + (4 + 5) Associative Property of Addition (ab)c = a(bc) (6*4)5 = 6(4*5) Associative Property of Multiplication a + (-a) = 0 5 + (-5) = 0 Inverse Property of Addition a + 0 = a 7 + 0 = 7 Identity Property of Addition a * 1 = a 7 * 1 = 7 Identity Property of Multiplication a (1/a) = 1 5 (1/5) = 1 Inverse Property of Multiplication a(b + c) = ab + ac 5(4 - 2) = (5 * 4) - (5 * 2) Distributive Property n * 0 = 0 -5 * 0 = 0 Multiplication Property of Zero n * -1 = -n -4 * -1 = 4 Multiplication Property of -1 .remove_background_ad { border: 1px solid #555555; padding: .75em; margin: .75em; background-color: #e7e7e7; } .rmbg_image { max-height: 80px; } AuthorAnonymous ID56080 Card SetProperties of Real Numbers Descriptionlesson 1-8 Updated2010-12-15T02:45:43Z Show Answers