1.	What is the slope of in parallelogram ABCD?
		A.		B.
		C.		D.
		Hint
	2.	Which pair of lines graphed below are parallel?
		A.	k and n	B.	l and m
		C.	l and n	D.	k and m
		Hint
	3.	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
	4.	Use the scatter plot to predict the mileage of an engine with 250 horsepower.
		A.	25	B.	20
		C.	10	D.	12
		Hint
	5.	What is the slope of the line through the points A(-3, 4) and B(2, -1)?
		A.		B.	-1
		C.	-3	D.	1
		Hint
	6.	Determine the slope of the line containing the points P(-7, -8) and Q(3, 0).
		A.	-2	B.
		C.	2	D.
		Hint
	7.	Which characteristic describes a graph that is linear and has direct variation.
		A.	The graph does not pass through (0, 0).
		B.	Variables x and y are not proportional.
		C.	The equation has the form y = mx + b.
		D.	The equation has the form y = mx.
		Hint
	8.	Find the equation that has direct variation.
		A.	y = 0.8x + 9	B.	y = –3x – 1
		C.	y = 4x	D.	y = 5x + 1.3
		Hint
	9.	Find the graph that does not have direct variation.
		A.		B.
		C.		D.
		Hint
	10.	Find the equation that contains a decreasing linear relationship.
		A.	y = 10 + x	B.	y = 4x – 3
		C.	y = 12+ 2x	D.	y = 5 – 6x
		Hint
	11.	Find the situation that involves a decreasing linear relationship and has direct variation.
		A.	A submarine that begins at the bottom of the ocean and is raised to the surface of the water at 15 meters per second.
		B.	A bucket that begins at ground level and is lowered into a well at a rate of 1 foot per second.
		C.	An airplane that begins at 20,000 feet and descends for a landing on the ground at the airport.
		D.	The temperature that begins at 0°F at 6:00 a.m. rises 3°F every hour for 6 hours.
		Hint
	12.	Find the situation that is linear but does not have direct variation.
		A.	At the beginning of the summer, Dina had $200 in the bank. She started a job and deposited $10 per week.
		B.	At the beginning of the summer, Dina had $0 in the bank. She started a job and deposited $10 per week.
		C.	At the beginning of the summer, Dina had $0 in the bank. She earned $50 mowing lawns the previous week and deposited the money in the bank.
		D.	At the beginning of the summer, Dina had $200 in the bank. She withdrew $30 to buy a new pair of shorts.
		Hint
	13.	Find the equation that is nonlinear.
		A.	y = 8 – x	B.	y = 14 + 6x
		C.	y = –3x – 1	D.	y = 4y2
		Hint
	14.	Michael just got a job mowing his elderly neighbor's lawn paying him $10 each week. Draw a graph showing the amount he receives is increasing very rapidly. Suppose you graph the time in weeks on the horizontal axis and the amount Michael receives on the vertical axis.
		A.		B.
		C.		D.
		Hint
	15.	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
	16.	What is the equation of a line that has a slope of 4 and passes through (6, 3)?
		A.	y = 4x – 3	B.	y = 4x – 27
		C.	y = 4x – 21	D.	y = 4x – 7
		Hint
	17.	What is the equation of a line that has a slope of 3 and passes through (–4, –3)?
		A.	y = 3x + 3	B.	y = 3x – 3
		C.	y = 3x – 9	D.	y = 3x + 9
		Hint
	18.	Which line is parallel to the line listed below?
		A.
		B.
		C.	y = 2x - 5
		D.
		Hint
	19.	Which three points are collinear?
		A.	(4, –3), (2, –2), (–4, 1)
		B.	(–1, 1), (2, 3), (5, 2)
		C.	(–5, –3), (–2, 3), (2, –4)
		D.	(3, 1), (4, 0), (–1, 2)
		Hint
	20.	Which three points are collinear?
		A.	(–5, 2), (1, 1), (4, 4)
		B.	(–4, 4), (0, –4), (–1, –2)
		C.	(3, –1), (2, 5), (2, –3)
		D.	(1, 2), (–3, –2), (–2, –4)
		Hint