MAC-CPTM Situations Project
Situation 47: Graphing Inequalities with Absolute Values
Prepared at Pennsylvania State
Mid-Atlantic Center for Mathematics Teaching and Learning
11 May 2006 -- Shari Reed and Anna Conner
Edited at Pennsylvania State University
Mid-Atlantic Center for Mathematics Teaching and Learning
16 February 2007 -- M. Kathleen Heid
4 March 2009 – Heather Godine, Maureen Grady, and Svetlana Konnova
07 September 2009 -- M. Kathleen Heid