Question

Which systems of equations has a solution of approximately -2,7 , -1,2

Answer 1

The point of intersection you are concerned with is the left-most of those of the graphed lines. Thus you want the two equatons that both have x-intercepts that are negative. Since the x-coefficient is positive in every case, this will mean the right-side constants of these equations both need to be negative. The appropriate choice is ...
  A. 4x - 5y = -5 and 3x + 10y = -20