Hall Intermediate algebra : the language and symbolism of mathematics / James W. Hall, Brian A. Mercer. - Boston McGraw-Hill Higher Education 2007. - xxxi, 895p. ill., col. 29cm Includes index p.885 - 895 Includes question and answer ISBN: 9780072495829 Subjects--Topical Terms: Algebra--Textbooks Dewey Class. No.: 512 HAL 2007