To find the equation of a line in slope-intercept form you need to identify the slope (m) and the y-intercept (b)
To find the slope you use two point in the line:
Use the next formula to find the slope:


The slope of the given line is m= -5/3
The y-intercept is the value of y when x is 0 (the point where the line cross the y-axis)
In this case the value of y when x is 0 is -2.
Then, you get the next equation for the given graph:
