Beem, John K. <br/><br/>
Algebra and trigonometry 
Judith A. Beecher ...[et.al]., 
 - Upper Saddle River, New Jersey  Prentice Hall  c2006 
 - xv,297p.:  ill.;  22cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0131449265 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry--Study and teaching (Middle school)