Question 22174
Rise over run is the definition of the slope, m, of a line.  If your equation is in the slope-intercept form: {{{y = mx + b}}}, the slope is given by m and the y-intercept is given by b.

For example, let's say that you wanted to graph the line whose equation is: {{{y = (2/3)x + 4}}} Remember that you need only two points to define a straight line.

The y-intercept is y=4, so mark a point on the y-axis at y=4.
The slope m is 2/3, so that's rise = 2 and run = 3 and since the sign of m is positive, the slope of the line will be leaning to the right.
Then, starting at the point y=4, go up (rise) 2 and then go right (positive) 3 and mark your second point.
Now join the two points with a straight line and you have your graph.
Here's what it should look like on the graph:
{{{graph(300,200,-9,9,-3,7,(2/3)x+4)}}}