y=-13x+1 because the plus 1 is the y intercept shown as (0,1) and the x is the slope of -13
Use the slope-intercept form of the equation of a line.
y = mx + b
where m = slope, and the y-intercept is (0, b).
You have a slope of -13, so m = -13. Your y-intercept is (0, 1), so b = 1.
y = -13x + 1
