Keedy, Mervin Laverne. <br/><br/>
Algebra and trigonometry / 
Mervin L. Keedy, Marvin L. Bittinger, Judith A. Beecher. 
 - Sixth edition. 
 - Reading, Mass. :  Addison-Wesley,  c1993. 
 - 1 v. (various pagings) :  ill. (some col.) ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0201525178 
<br/><br/><label>LCCN: </label>92044348 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.<br/>Trigonometry.
<br/><br/><label>LC Class. No.: </label>QA154.2  / .K43 1993 
<br/><br/><label>Dewey Class. No.: </label>512/.13