Question 258102
The y-intercept is at -1 and it has a slope of 2.  Therefore, you mark a point  at the point (0,1) and then go up 2 and right 1.  Put another point here.  go up 2 and right 1.  Put another point here.  You can then use these points to make your line.  This line represents all the points that work in this equation.  
{{{graph(400,400,-5,5,-5,5,2x-1)}}}