y=78x-10

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

y=mx+b

Combine 78 and x.

y=7×8-10

Rewrite in slope-intercept form.

y=78x-10

y=78x-10

Using the slope-intercept form, the y-intercept is -10.

b=-10

Find the Y-Intercept y=7/8x-10