File:Recta negativa n2.jpg

Summary
{{Information }}
 * description   = math algebra
 * source        = http://profelenafreire.shoutwiki.com/wiki/Archivo:Y%3D_-x.JPG
 * author        = elena freire
 * date          =
 * other_versions =
 * permission = {{Cc-by-nc-sa-4.0 (self)}