# Algebra 2 Terms

 .remove_background_ad { border: 1px solid #555555; padding: .75em; margin: .75em; background-color: #e7e7e7; } .rmbg_image { max-height: 80px; } opposite positive and negative numbers (ex. 5, -5) reciprocal flips number over (1/4, 4/1) rational number can be written as a fraction irrational number can't be written as a fraction (pi, square root of 2, e)a decimal that never ends and never repeats whole numbers counting numbers (NOT negative, but includes 0) integers positive and negative whole numbers (number line) closure property addition: a + b = real number multiplication: ab = real number commutative property addition: a + b = b + a multiplication: ab = ba associative addition: (a + b) + c = a + (b + c) multiplication: (ab)c = a(bc) identity addition: a + 0 = 0 + a multiplication: a x 1 = a, 1 x a = a inverse addition: a + (-a) = 0 multiplication: a x 1/a = 1 , a = 0 distributive a (b + c) = ab + ac .remove_background_ad { border: 1px solid #555555; padding: .75em; margin: .75em; background-color: #e7e7e7; } .rmbg_image { max-height: 80px; } Authorlaurettaloo22 ID33522 Card SetAlgebra 2 Terms DescriptionAlgebra 2 - chapter 1 section 1 Updated2010-09-08T23:37:53Z Show Answers