Prove that quadrilateral Q(1, -2), D(13, 4), A(6, 8) and U(-2, 4) is a trapezoid. Slope of AD ___________ Slope of QD ___________ Slope of UA ___________ Slope of QU___________ Which segments are parallel?_____________________ Which segments are perpendicular?________________ Is the quadrilateral a trapezoid? Explain how you know.