hello
so this equation is written in point slope form: [tex]y-y_{1} = m(x-x_{1})[/tex]
we can solve for y to get the equation into slope intercept form: y=mx+b
y+1=4/3x
subtract 1 from both sides
y=4/3x-1
slope: 4/3
y-intercept: -1
hope this helps
have a nice day :)