1.	Determine the slope of the line graphed below.
		A.		B.	0
		C.		D.
		Hint
	2.	A line of best-fit should not be drawn for which of the following graphs.
		A.		B.
		C.		D.
		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.	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
	5.	Determine the slope of the line containing the points P(-7, -8) and Q(3, 0).
		A.	2	B.
		C.	-2	D.
		Hint
	6.	Which characteristic describes a graph that is linear and has direct variation.
		A.	The graph does not pass through (0, 0).
		B.	The equation has the form y = mx.
		C.	Variables x and y are not proportional.
		D.	The equation has the form y = mx + b.
		Hint
	7.	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 started a job and deposited $10 per week.
		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 $200 in the bank. She withdrew $30 to buy a new pair of shorts.
		Hint
	8.	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 – 3
		C.	y = 4x – 7	D.	y = 4x – 21
		Hint
	9.	Which three points are collinear?
		A.	(1, 2), (–3, –2), (–2, –4)
		B.	(–5, 2), (1, 1), (4, 4)
		C.	(–4, 4), (0, –4), (–1, –2)
		D.	(3, –1), (2, 5), (2, –3)
		Hint
	10.	Write the equation in slope-intercept form. –6x = –10 – 2y
		A.	y + 8 = 3(x + 1)
		B.	–6x + 2y + 10 = 0
		C.	y = 3x – 5
		D.	y = 3x + 8
		Hint
	11.	Describe how the graph of y = (x + 1)2 differs from the graph of y = x2.
		A.	the graph of y = (x+1)2 moved 1 unit to the right
		B.	the graph of y = (x + 1)2 moved up 1 unit
		C.	the graph of y = (x + 1)2 moved 1 unit to the left
		D.	the graph of y = (x + 1) 2 moved down 1 unit
		Hint
	12.	In the relationship , why is y inversely proportional to x?
		A.	8 is divided into y
		B.	the product of xy is a constant, 8
		C.	the relationship is undefined at x = 0
		D.	8 is divided into x
		Hint
	13.	Find which equation does not represent a reciprocal relationship.
		A.	ab = 3	B.
		C.	–6 = ef	D.
		Hint
	14.	How does a affect graphs of equations in the form of ?
		A.	a affects the length of the graph
		B.	negative values of a move the graph to the left, positive values move it to the right
		C.	a affects the width of the graph
		D.	positive values of a move the graph to the left, negative values move it to the right
		Hint
	15.	How does b affect graphs of equations in the form of ?
		A.	b affects the width of the graph
		B.	positive values of b move the graph to the left, negative values move it to the right
		C.	negative values of b move the graph to the left, positive values move it to the right
		D.	b affects the length of the graph
		Hint
	16.	What are the second differences in the y-values?
		A.	0	B.	2
		C.	1	D.	–1
		Hint
	17.	What is true of the second differences for the equation x2 – 6x + 12?
		A.	they increase by 12
		B.	they are constant
		C.	they increase by 1
		D.	they decrease by 1
		Hint
	18.	What type of relationship does the equation have if its second differences are constant?
		A.	linear	B.	constant
		C.	quadratic	D.	cubic
		Hint
	19.	Consider the following conjecture. If an even number is written 2k, where k is a whole number, then 2k + 1 must be an odd number. What can be your next course of action in dealing with this conjecture?
		A.	develop an argument to prove the conjecture
		B.	all answers are correct
		C.	test every possible case to prove the conjecture
		D.	find a counterexample to disprove the conjecture
		Hint
	20.	Find the values for m and n which the conjecture (m – n)2 = m2 – n2 is false.
		A.	m = 1, n = 1	B.	m = 1, n = 0
		C.	m = 1, n = 2	D.	m = –2, n = 0
		Hint