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.
1 Forty-five states and the District of Columbia have voluntarily adopted rigorous Common Core State Standards for what their K-12 public school students should know and be able to do in mathematics and English Language Arts. Tools for the Common Core standards: 2  a blog by Bill McCallum, lead author of the CCSS mathematics standards. 3  A good place to stay up to date on progress, download tools as they come available, and engage in conversations with other professionals.