Intersecting sets  [motion picture] / 
Open University ; [made by] BBC-TV. 
 - [New York :  Distributed by Harper & Row,  197-?] 
 - 1 film reel (26 min.) :  sd., col. ;  16 mm. 
<br/><br/> Converted into VHS 1/2 in. and DVD.  Bahan rosak (Lupus) 
<br/><br/> Introduces inequalities, and uses them to illustrate some elementary terms in set language. Then examines the link between simple algebraic inequalities and geometric regions of a plane. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inequalities (Mathematics)