1.	Find the slope of for isosceles trapezoid ABCD.
		A.		B.
		C.		D.
		Hint
	2.	Identify the coordinates of Z.
		A.	(-c, a)	B.	(c, -b)
		C.	(-c, -b)	D.	(-c, b)
		Hint
	3.	Name the coordinates of I.
		A.	(b, c)	B.	(-2b, c)
		C.	(b, -c)	D.	(-b, c)
		Hint
	4.	Find the x-coordinate of R if PQRS is a rectangle.
		A.	2a	B.	b
		C.	a	D.	2b
		Hint
	5.	What are the coordinates of S if PQRS is a rectangle?
		A.	(-a, -b)	B.	(a, -b)
		C.	(a, b)	D.	(-a, b)
		Hint