y=-13x+133

The slope-intercept form is y=mx+b, where m is the slope and b is the y-intercept.

y=mx+b

Combine x and 13.

y=-x3+133

Rewrite in slope-intercept form.

y=-13x+133

y=-13x+133

Using the slope-intercept form, the y-intercept is 133.

b=133

Find the Y-Intercept y=-1/3x+13/3