1.	A line contains the points whose coordinates are listed in the table. Determine the slope of the line.
		A.		B.
		C.		D.
		Hint
	2.	Determine the slope of a line through points at (-4, 3) and (5, -1).
		A.		B.
		C.		D.
		Hint
	3.	For a nonvertical line through the point at (x1, y1) with slope m, the point-slope form of a linear equation is ______.
		A.	x - x1 = m(y - y1)	B.	y - x1 = m(x - y1)
		C.	y - y1 = m - (x - x1)	D.	y - y1 = m(x - x1)
		Hint
	4.	Refer to the scatter plot below. Students were surveyed to find the number of minutes of TV watched per day and the number of minutes of exercise they engaged in per day. Which statement cannot be supported by the scatter plot?
		A.	Students who watch a lot of TV score poorly on tests.	B.	Some students exercised for more than 80 minutes per day.
		C.	As students watch more TV, they exercise less.	D.	There is a negative relationship between minutes of TV watched and minutes of exercise.
		Hint
	5.	Determine the slope and y-intercept of the graph of the equation
		A.	m = -7;
		B.	m = 7;
		C.	; b = -7
		D.	; b = 7
		Hint
	6.	To graph the equation by using the slope and y-intercept, you would ________.
		A.	graph the point at (0, –2). Then go up 5 units and left 2 units. This will be the point at (–2, 3). Then draw the line through points at (0, –2) and (–2, 3).
		B.	graph the point at (0, –2). Then go up 5 units and right 2 units. This will be the point at (3, 2). Then draw the line through points at (0, –2) and (3, 2).
		C.	graph the point at (–2, 0). Then go up 5 units and right 2 units. This will be the point at (0, 5). Then draw the line through points at (–2, 0) and (0, 5).
		D.	graph the point at (0, –2). Then go up 5 units and right 2 units. This will be the point at (2, 3). Then draw the line through points at (0, –2) and (2, 3).
		Hint
	7.	The graphs of the equations y = –5x + 1 and are a family of graphs because ________.
		A.	the slopes are integers	B.	the slopes are reciprocals
		C.	both equations are solved for y	D.	the y-intercepts are the same
		Hint
	8.	Consider the equation . Which equation will have a steeper graph, but the same y–intercept?
		A.		B.
		C.		D.
		Hint
	9.	Write the point–slope form of an equation for the line passing through (2, 3) with slope 2.
		A.	y + 2 = 2(x + 3)	B.	y + 3 = 2(x + 2)
		C.	y – 3 = 2(x – 2)	D.	y + 2 = 2(x + 3)
		Hint
	10.	Write an equation in slope–intercept form of the line with slope 14 and y-intercept 28.
		A.	x = 28y + 14	B.	x = 14y + 28
		C.	y = 14x + 28	D.	y = 28x + 14
		Hint
	11.	Write an equation in slope–intercept form of the line that passes through the points at (-5, 4) and (3, -1).
		A.	y = x –	B.	x = y –
		C.	x = -y +	D.	y = -x +
		Hint
	12.	The scatter plot shows the relationship between number of weekly meals at fast food restaurants and blood cholesterol level for 25 adults in a correlational study. Describe the independent and dependent variables of the graph and what the graph indicates.
		A.	The independent variable is blood cholesterol level. The dependent variable is the number of meals per week at a fast food restaurant. In the study, people who ate more often at fast food restaurants generally had lower blood cholesterol levels.
		B.	The independent variable is the number of meals per week at a fast food restaurant. The dependent variable is blood cholesterol level. In the study, people who ate more often at fast food restaurants generally had higher blood cholesterol levels.
		C.	The independent variable is the number of meals per week at a fast food restaurant. The dependent variable is blood cholesterol level. In the study, people who ate more often at fast food restaurants generally had lower blood cholesterol levels.
		D.	The independent variable is blood cholesterol level. The dependent variable is the number of meals per week at a fast food restaurant. In the study, people who ate more often at fast food restaurants generally had higher blood cholesterol levels.
		Hint
	13.	Which equation is parallel to the graph of y = 2x + and passes through the point (4, 7)?
		A.	y = 2x + 3	B.	y = -x +
		C.	y = 2x – 1	D.	y = x +
		Hint
	14.	Which equation's graph is perpendicular to the graph of the equation y = -x + 2
		A.	y = -x +	B.	y = x –
		C.	y = -x + 1	D.	y = x – 1
		Hint