1.	Determine the slope of the line that passes through (2, 2) and (5, 8).
		A.	-2	B.
		C.	2	D.
		Hint
	2.	What is the slope of in parallelogram ABCD?
		A.		B.
		C.		D.
		Hint
	3.	A line of best-fit should not be drawn for which of the following graphs.
		A.		B.
		C.		D.
		Hint
	4.	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
		C.	y = 4x + 3	D.	y = -2x + 1
		Hint
	5.	Which pair of lines graphed below are parallel?
		A.	l and n	B.	l and m
		C.	k and n	D.	k and m
		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.	10
		C.	20	D.	12
		Hint
	8.	The graph of a linear function is _______.
		A.	a curved line	B.	a horizontal line only
		C.	None of these is correct	D.	a straight line
		Hint
	9.	Which characteristic describes a graph that is linear and has direct variation.
		A.	The equation has the form y = mx + b.
		B.	The graph does not pass through (0, 0).
		C.	The equation has the form y = mx.
		D.	Variables x and y are not proportional.
		Hint
	10.	Find the equation that has direct variation.
		A.	y = 0.8x + 9	B.	y = 5x + 1.3
		C.	y = 4x	D.	y = –3x – 1
		Hint
	11.	Which characteristic describes a graph that is linear and has direct variation.
		A.	Variables x and y are not proportional.
		B.	The graph does not pass through (0, 0).
		C.	The equation has the form y = mx + b.
		D.	The equation has the form y = mx.
		Hint
	12.	Find the graph that does not have direct variation.
		A.		B.
		C.		D.
		Hint
	13.	Find the equation that contains a decreasing linear relationship.
		A.	y = 10 + x	B.	y = 5 – 6x
		C.	y = 12+ 2x	D.	y = 4x – 3
		Hint
	14.	Find the graph that is nonlinear.
		A.		B.
		C.		D.
		Hint
	15.	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
	16.	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
	17.	What is the equation of a line that has a slope of 4 and passes through (6, 3)?
		A.	y = 4x – 21	B.	y = 4x – 7
		C.	y = 4x – 3	D.	y = 4x – 27
		Hint
	18.	What is the equation of a line that has a slope of –1 and passes through (–2, 0)?
		A.	y = –x – 2	B.	y = –2x + 1
		C.	y = –x – 1	D.	y = –x + 2
		Hint
	19.	Which three points are collinear?
		A.	(–5, –3), (–2, 3), (2, –4)
		B.	(–1, 1), (2, 3), (5, 2)
		C.	(3, 1), (4, 0), (–1, 2)
		D.	(4, –3), (2, –2), (–4, 1)
		Hint
	20.	Which three points are collinear?
		A.	(1, 2), (–3, –2), (–2, –4)
		B.	(–4, 4), (0, –4), (–1, –2)
		C.	(–5, 2), (1, 1), (4, 4)
		D.	(3, –1), (2, 5), (2, –3)
		Hint