1.	Find the slope of for isosceles trapezoid ABCD.
		A.		B.
		C.		D.
		Hint
	2.	Kayla wants to prove that the quadrilateral QRST is a parallelogram. How should she begin proving this in a coordinate proof?
		A.	Draw the diagonals of the quadrilateral.
		B.	Find the midpoints of each segment.
		C.	Find the slopes of the opposite segments.
		D.	Find the measure of the interior angles of the quadrilateral.
		Hint
	3.	Identify the coordinates of Z.
		A.	(c, -b)	B.	(-c, a)
		C.	(-c, -b)	D.	(-c, b)
		Hint
	4.	What are the coordinates of S if PQRS is a rectangle?
		A.	(-a, -b)	B.	(a, b)
		C.	(a, -b)	D.	(-a, b)
		Hint
	5.	What is the most specific description of quadrilateral ABCD?
		A.	square	B.	parallelogram
		C.	rhombus	D.	rectangle
		Hint