## Precalculus (10th Edition)

$y=-\frac{1}{3}x+1$
Find the slope of the line using the points on the line (0,1) and (3,0). The slope is $m= \frac{1-0}{0-3} =-\frac{1}{3}$ Wth a y intercept of 1, the slope-intercept form of the line's equation is $y=-\frac{1}{3}x+1$.