Slope-Intercept Form
Finding Slope & Intercept
The graph of a linear equation is the set of points that correspond to all ordered pairs that satisfy the equation. The graph gives a "picture" of the equation. From the graph the slope and y-intercept can be determined and the equation discovered.
To determine the equation of a line from its graph, find the y-intercept and the slope of the line. Substitute these values in for b and m in the slope-intercept equation and it will represent the line graphed.