If a graph is a straight line with a positive slope AND goes through the point (0, 0), then the relationship is direct. Definition: A quantity y is directly proportional to a quantity x if y = kx for some k > 0. Often just the term proportional is used to mean directly proportional.
In January 2011, the NYS Board of Regents adopted the NYS P-12 CCLS, which include the Common Core State Standards and a small amount of additional standards uniquely added by New YorkState. The New York State P-12 CCLS were implemented in New York State schools at the beginning of the 2012-2013 school year.
California Common Core State Standards. 1  The adoption of the CCSS in California in 2010 was an outcome of an extensive review process.  Read what students should know and be able to do at each grade level in English language arts/literacy (PDF; 2MB) and mathematics (PDF; 3MB).