Question 62090
Substitute the x value of each ordered pair to see if you the y-value of that same ordered pair.  For (0,0) we get y=5*0 or y=0, which is the y-value of that ordered pair, so (0,0) is a solution.  Similarly, for (-2,10) we get y=-10, so that's not a solution; for (-1,-5) y=-5, so that pair is a solution; for (-3,9) y=-15, so that one is not a solution.