Hornsby, John, 1949- A graphical approach to college algebra / John Hornsby, Margaret L. Lial, Gary K. Rockswold ; with the assistance of Jessica Rockswold. - Sixth edition. - xx, 654 pages : color illustrations ; 29 cm Includes index. ISBN: 9780321909817 9780321920300 (hardback) Subjects--Topical Terms: Algebra--Textbooks. Dewey Class. No.: 512.9 / HOR 2015