Grade 8 - Proportionality
Standard 8.RP.111.28.b.4A - Find the slope of a given linear equation.
Included Skills: Algebra, Ratios
Use similar right triangles to develop an understanding that slope, m, given as the rate comparing the change in y-values to the change in x-values, (y2 - y1)/ (x2 - x1), is the same for any two points (x1, y1) and (x2, y2) on the same line.