The slope “m” is calculated from any two individual points (x 1, y 1) and (x 2, y 2) as: There are three sets of necessary criteria an equation ... linear relationship would show a downward ...

The y-intercept is the point at which a linear equation crosses the y-axis on the x=0 plot point. The equation to determine both the slope and the y-intercept of a line is y=mx+b. This calculation ...