1.	Which equation is graphed below?
		A.		B.
		C.		D.
		Hint
	2.	Which expression is used to find the slope of a line?
		A.	m =
		B.	m =
		C.	m =
		D.	m =
		Hint
	3.	Find the slope of the line graphed below.
		A.		B.	4
		C.		D.	-4
		Hint
	4.	Which ordered pair is a solution of y < -4x - 5?
		A.	(0, 6)	B.	(1, -3)
		C.	(2, 3)	D.	(-7, 0)
		Hint
	5.	Determine whether the relation {(7, 2), (-10, 3), (-5, -1), (7, 3)} is a function. Explain.
		A.	Yes, because every relation is a function.
		B.	No, because there are two elements in the domain that are paired with the same element in the range.
		C.	Yes, because each element in the domain is paired with exactly one element in the range.
		D.	No, because there is an element in the domain that is paired with two elements in the range.
		Hint
	6.	Select the relation that is a function.
		A.	{(-2, -1),(5, -1), (16, 3), (-3, -9)}
		B.	{(21, 11), (21, 10), (21, 9), (21, 8)}
		C.	{(5, 10), (-3, 10), (-3, -10), (4, 7)}
		D.	{(-6, -5), (3, 2), (10, 8), (3, 3)}
		Hint
	7.	Find four solutions for y = 3x – 1 if the x values are 0, 1, 2, 3.
		A.	(0, 1), (1, 4), (2, 7), (3, 10)
		B.	(0, -1), (1, 2), (2, 5), (3, 8)
		C.	(0, 0), (1, 3), (2, 6), (3, 9)
		D.	(-1, 0), (2, 1), (5, 2), (8, 3)
		Hint
	8.	Graph 2x – 8y = 16.
		A.		B.
		C.		D.
		Hint
	9.	Find the x- intercept of 4x – 6y = 24.
		A.	6	B.	-6
		C.	-4	D.	4
		Hint
	10.	Suppose y varies directly with x and y = -10 when x = 5. Write an equation relating x and y.
		A.		B.
		C.	y = 2x	D.	y = -2x
		Hint
	11.	The direct variation equationy = .1x gives the price y for x minutes of a long distance calling plan. Use the equation to find the cost for a phone call that is 32.5 minutes long.
		A.	$3.20	B.	$3.25
		C.	$3.30	D.	$3.28
		Hint
	12.	Which of the following is the equation for the given graph?
		A.		B.
		C.		D.
		Hint
	13.	State the slope of the graph of 6x + 3y = 10.
		A.		B.	2
		C.		D.	-2
		Hint
	14.	Write an equation in slope-intercept form of a line with slope 5 and y- intercept –7.
		A.	y = 5x + 7	B.	x = 5y + 7
		C.	x = 5y – 7	D.	y = 5x – 7
		Hint
	15.	Write an equation in slope-intercept form of a line with slope 0 and y- intercept 6.
		A.	y = 6x	B.	y = 6
		C.	x = 6y	D.	x = 6
		Hint
	16.	Write an equation in slope-intercept form for the best-fit line of a scatter plot with points (21, 57) and (30, 12).
		A.		B.
		C.	y = 5x – 48	D.	y = -5x + 162
		Hint
	17.	A best-fit line has the equation which models the number of hours y of a trip that is x miles long. Predict the time of a 200-mile trip.
		A.	about 3.1 hours	B.	about 2.3 hours
		C.	about 4.6 hours	D.	about 3.8 hours
		Hint
	18.	Solve the system of equations given by 3y = 6x + 3 and y = 2x + 1.
		A.	infinitely many solutions	B.	no solution
		C.	(0, 1)	D.	(-2, -3)
		Hint
	19.	Solve the system of equations given byy = 2x – 7 and y = 5.
		A.	(3, 5)	B.	(6, 5)
		C.	(5, 3)	D.	(-1, 5)
		Hint
	20.	Match the graph shown with the correct inequality.
		A.		B.	y < -4x – 6
		C.		D.
		Hint