1.	Determine the slope of the line that passes through (2, 2) and (5, 8).
		A.		B.
		C.	-2	D.	2
		Hint
	2.	A line of best-fit should not be drawn for which of the following graphs.
		A.		B.
		C.		D.
		Hint
	3.	Which equation is the slope-intercept form of the equation of the line that passes through (1, 2) and is parallel to 4x - 2y = 6?
		A.		B.	y = -2x + 1
		C.	y = 2x	D.	y = 4x + 3
		Hint
	4.	Three out of the four equations listed below are equations of lines that are parallel to each other. Which equation does not have a graph that is a line parallel to the other three?
		A.
		B.	3x + 4y = -16
		C.
		D.	8y = - 6x
		Hint
	5.	Which pair of lines graphed below are parallel?
		A.	l and n	B.	l and m
		C.	k and m	D.	k and n
		Hint
	6.	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
	7.	Use the scatter plot to predict the mileage of an engine with 250 horsepower.
		A.	25	B.	20
		C.	10	D.	12
		Hint
	8.	What is the slope of the line through the points A(-3, 4) and B(2, -1)?
		A.	-1	B.	1
		C.		D.	-3
		Hint
	9.	Determine the slope of the line containing the points P(-7, -8) and Q(3, 0).
		A.	-2	B.	2
		C.		D.
		Hint
	10.	The graph of a linear function is _______.
		A.	a curved line	B.	a horizontal line only
		C.	a straight line	D.	None of these is correct
		Hint
	11.	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.
		D.	The equation has the form y = mx + b.
		Hint
	12.	Find the equation that contains a decreasing linear relationship.
		A.	y = 12+ 2x	B.	y = 5 – 6x
		C.	y = 4x – 3	D.	y = 10 + x
		Hint
	13.	Find the situation that involves a decreasing linear relationship and has direct variation.
		A.	The temperature that begins at 0°F at 6:00 a.m. rises 3°F every hour for 6 hours.
		B.	An airplane that begins at 20,000 feet and descends for a landing on the ground at the airport.
		C.	A bucket that begins at ground level and is lowered into a well at a rate of 1 foot per second.
		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
	14.	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 withdrew $30 to buy a new pair of shorts.
		B.	At the beginning of the summer, Dina had $200 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 $0 in the bank. She started a job and deposited $10 per week.
		Hint
	15.	Find the graph that is nonlinear.
		A.		B.
		C.		D.
		Hint
	16.	Find the equation that is nonlinear.
		A.	y = 4y2	B.	y = 8 – x
		C.	y = 14 + 6x	D.	y = –3x – 1
		Hint
	17.	What is the equation of a line that has a slope of 4 and passes through (6, 3)?
		A.	y = 4x – 27	B.	y = 4x – 7
		C.	y = 4x – 3	D.	y = 4x – 21
		Hint
	18.	Which line is parallel to the line listed below?
		A.	y = 2x - 5
		B.
		C.
		D.
		Hint
	19.	Which three points are collinear?
		A.	(–4, 4), (0, –4), (–1, –2)
		B.	(3, –1), (2, 5), (2, –3)
		C.	(–5, 2), (1, 1), (4, 4)
		D.	(1, 2), (–3, –2), (–2, –4)
		Hint
	20.	Write the equation in slope-intercept form. –6x = –10 – 2y
		A.	–6x + 2y + 10 = 0
		B.	y = 3x – 5
		C.	y + 8 = 3(x + 1)
		D.	y = 3x + 8
		Hint