Which graph shows a proportional relationship? On a coordinate plane, points (2, 3), (3, 8), and (6, 9) are plotted. On a coordinate plane, points (2, 4), (3, 6), and (5, 10) are plotted. On a coordinate plane, points (1, 3), (4, 4), and (5, 10) are plotted. On a coordinate plane, points (2, 9), (5, 4), and (9, 3) are plotted.

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never