1.	OBCD is a square. What are the coordinates of D?
		A.	(a, a)	B.	(a, 2a)
		C.	(0, 0)	D.	(0, a)
		Hint
	2.	Find the slope of for isosceles trapezoid ABCD.
		A.		B.
		C.		D.
		Hint
	3.	Find the x-coordinate of R if PQRS is a rectangle.
		A.	a	B.	2b
		C.	2a	D.	b
		Hint
	4.	What is the most specific description of quadrilateral ABCD?
		A.	rhombus	B.	parallelogram
		C.	square	D.	rectangle
		Hint
	5.	Points A, B, C, and D are the midpoints of , , , and respectively. What is the most specific description of quadrilateral ABCD?
		A.	rectangle	B.	trapezoid
		C.	square	D.	parallelogram
		Hint