1.	Determine the slope of the line graphed below.
		A.		B.
		C.	0	D.
		Hint
	2.	What is the slope of in parallelogram ABCD?
		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.	y = 2x	B.
		C.	y = 4x + 3	D.	y = -2x + 1
		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.	8y = - 6x
		C.	3x + 4y = -16
		D.
		Hint
	5.	What is the slope of the line through the points A(-3, 4) and B(2, -1)?
		A.	1	B.	-3
		C.	-1	D.
		Hint
	6.	The graph of a linear function is _______.
		A.	None of these is correct	B.	a curved line
		C.	a straight line	D.	a horizontal line only
		Hint
	7.	Which characteristic describes a graph that is linear and has direct variation.
		A.	Variables x and y are not proportional.
		B.	The equation has the form y = mx.
		C.	The graph does not pass through (0, 0).
		D.	The equation has the form y = mx + b.
		Hint
	8.	Find the equation that has direct variation.
		A.	y = –3x – 1	B.	y = 4x
		C.	y = 5x + 1.3	D.	y = 0.8x + 9
		Hint
	9.	Which characteristic describes a graph that is linear and has direct variation.
		A.	The equation has the form y = mx.
		B.	Variables x and y are not proportional.
		C.	The graph does not pass through (0, 0).
		D.	The equation has the form y = mx + b.
		Hint
	10.	Find the equation that has direct variation.
		A.	y = 5x + 1.3	B.	y = 4x
		C.	y = –3x – 1	D.	y = 0.8x + 9
		Hint
	11.	Find the equation that contains a decreasing linear relationship.
		A.	y = 10 + x	B.	y = 4x – 3
		C.	y = 5 – 6x	D.	y = 12+ 2x
		Hint
	12.	Find the situation that is linear but does not have direct variation.
		A.	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.
		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 $200 in the bank. She withdrew $30 to buy a new pair of shorts.
		D.	At the beginning of the summer, Dina had $0 in the bank. She started a job and deposited $10 per week.
		Hint
	13.	Find the equation that is nonlinear.
		A.	y = 14 + 6x	B.	y = 4y2
		C.	y = –3x – 1	D.	y = 8 – x
		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 – 21	B.	y = 4x – 7
		C.	y = 4x – 3	D.	y = 4x – 27
		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 – 9
		C.	y = 3x + 9	D.	y = 3x + 3
		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.	(3, –1), (2, 5), (2, –3)
		B.	(–5, 2), (1, 1), (4, 4)
		C.	(1, 2), (–3, –2), (–2, –4)
		D.	(–4, 4), (0, –4), (–1, –2)
		Hint
	20.	Write the equation in slope-intercept form. –6x = –10 – 2y
		A.	y = 3x + 8
		B.	y = 3x – 5
		C.	y + 8 = 3(x + 1)
		D.	–6x + 2y + 10 = 0
		Hint