Which table shows a proportional relationship a x 1 3 4 6 y 2 4 6 7 b x 1 2 5 8 y -2 0 6 12 c x 2 3 5 6 y -4 -6 -10 -12 d x 2 4 6 8 y 2 3 4 5

If the equation of a line containing the midsegment of a triangle is y = -1/4x -11, what is the slope of the triangle side that is opposite the midsegment (the one not touching it). explain how you know.