1.	Determine the value of r so that the line through (5, 2) and (7, r) has a slope of .
		A.	3	B.	6
		C.	1	D.	2
		Hint
	2.	Determine the slope of the line graphed below.
		A.		B.	0
		C.		D.
		Hint
	3.	Determine the slope of the line that passes through (2, 2) and (5, 8).
		A.	2	B.	-2
		C.		D.
		Hint
	4.	What is the slope of in parallelogram ABCD?
		A.		B.
		C.		D.
		Hint
	5.	Find the slope of the line that passes through (-2, 9.5) and (4, 5).
		A.		B.
		C.	undefined	D.	0
		Hint