Carol H. answered 10/09/18
Masters' Degree in Mathematics with 35 Years of Teaching Experience
The equation is already in slope-intercept form, which means the y-intercept is 3. To find the x=intercept, let y = 0 and solve for x.
0 = -13x + 3
-3 = -13x
3/13 = x
Now plot your two points, (0,3) and (3/13,0) and connect them.
3/13 is approximately = .23