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.
My colleague Catherine Gewertz and I have just provided you an answer by updating our map of which states have adopted (and are using) the standards. Right now, we count 43 states and the District of Columbia that adopted and have maintained their adoptions of the common core: