1.	Determine the slope of the line that passes through (2, 2) and (5, 8).
		A.	-2	B.
		C.		D.	2
		Hint
	2.	The table shows the possible lengths and widths of a rectangle that has an area of 72 square centimeters. Make a scatter plot of the data.
		A.		B.
		C.		D.
		Hint
	3.	Find the equation that contains a decreasing linear relationship.
		A.	y = 10 + x	B.	y = 12+ 2x
		C.	y = 4x – 3	D.	y = 5 – 6x
		Hint
	4.	Find the situation that involves a decreasing linear relationship and has direct variation.
		A.	An airplane that begins at 20,000 feet and descends for a landing on the ground at the airport.
		B.	A bucket that begins at ground level and is lowered into a well at a rate of 1 foot per second.
		C.	The temperature that begins at 0°F at 6:00 a.m. rises 3°F every hour for 6 hours.
		D.	A submarine that begins at the bottom of the ocean and is raised to the surface of the water at 15 meters per second.
		Hint
	5.	Pam's mother gives Pam $20 each week for lunch to be bought at the school cafeteria. Lunches cost $4 per day. Draw a graph showing the amount Pam has left decreasing very slowly. Suppose you graph the time in days on the horizontal axis and the amount Pam has left on the vertical axis.
		A.		B.
		C.		D.
		Hint
	6.	Which three points are collinear?
		A.	(–1, 1), (2, 3), (5, 2)
		B.	(4, –3), (2, –2), (–4, 1)
		C.	(3, 1), (4, 0), (–1, 2)
		D.	(–5, –3), (–2, 3), (2, –4)
		Hint