A graphical approach to college algebra/ 
John Hornsby.  
 - 2nd ed.  
 - Boston :  Pearson education,    2007. 
 - xix, 681 p. :   ill.;  
<br/><br/> includes index.   includes index.  
<br/><br/><label>ISBN: </label>321356896 
<br/><br/><label>Subjects--Topical Terms: </label><br/>_College algebra 
<br/><br/><label>LC Class. No.: </label>QA152.2 .H638 1999