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.
State Adoption of the Common Core State Standards: the 15 Percent Rule 19 and mathematics and subsequently recommend standards to supplement the CCSS. In August of 2010, the SBE adopted the CCSS, including the additional standards unique to California (California Department of Education, 2010c).