Solve each system of equations by graphing : 3x- y=0 and x-y=-2
put it in y=mx+b form first.
Where the lines cross, is the common solution.
That note on putting it into slope-intercept is not really required, but it makes graphing easier.
put it in y=mx+b form first.
That note on putting it into slope-intercept is not really required, but it makes graphing easier.