Determine the slope of the line connecting the two points.[br][br]For video explanation see[br][url]https://www.khanacademy.org/math/algebra/linear-equations-and-inequalitie/slope-and-intercepts/v/slope-and-rate-of-change[/url][br]or [url]http://patrickjmt.com/finding-the-slope-of-a-line/[/url]