If m(x, y) is the midpoint of ab with a(3, 5) and b(-4, 8), then which quadrant is m located in? (points : 1) quadrant i quadrant ii quadrant iii quadrant iv question 2. 2. given a(9, 11), b(3, -4), c(6, -9), and d(-7, 7), then the midpoint of which line located in quadrant ii? (points : 1) ab bc ac bd question 3. 3. given a(6, -17), b(-6, 17), c(4, 9), d(-4, 4), the midpoint of which segment is at the origin? (points : 1) ab bc ac ad