EXPLANATION - PLEASE READ THOROUGHLY The equation should be in slope intercept form, y = mx + b, where m is the slope and b is the y-intercept. y-intercept means the point where the graph intercepts the y-axis. The y-intercept is 0.
Now, to find the slope, slope = rise/run Find two random points on the line, such as (0,0) and (1,2) The rise (change in y value) is 2, and the run (change in x value) is 1. So, slope = rise/run = 2/1 = 2
Back to the slope-intercept equation: y = mx+b y = 2x + 0 y = 2x
