## Elementary Algebra

The easiest way to find two coordinates on a line is to first plug in 0 for x and solve for y and then to plug in 0 for y and solve for x. Once this is done, these two points can be plugged into the equation $m =\frac{y_2-y_1}{x_2-x_1}$, where m is the slope.
The easiest way to find two coordinates on a line is to first plug in 0 for x and solve for y and then to plug in 0 for y and solve for x. Once this is done, these two points can be plugged into the equation $m =\frac{y_2-y_1}{x_2-x_1}$, where m is the slope.