Slope = four fifths, y-intercept = - 1

Slope-intercept form:

y=mx+b

m=slope

b=y-intercept

dа ta:

m=4/5

b=-1

y=mx+b

y = (4/5) x-1

Answer: the equation of the line with slope=4/5, and y-intercept=-1 would be:

y = (4/5) x-1