1.	The slope m of a line containing any two points with coordiantes (x1, y1) and (x2, y2) is given by which formula?
		A.	slope = , where	B.	slope = , where
		C.	slope = , where	D.	slope = , where
		Hint
	2.	State the slope and the coordinates of a point on the graph of the equation y – 6 = –3(x + 1).
		A.	m = –3; (–1, 6)	B.	m = –3; (1, –6)
		C.	m = ; (-1, 6)	D.	m = –3; (6, –1)
		Hint
	3.	Write an equation in slope–intercept form of the line passing through points at (1, –1) and (-3, 3).
		A.	y = 1	B.	y = –x + 1
		C.	y = –1	D.	y = –x
		Hint
	4.	Which situation would result in a scatter plot that shows no relationship?
		A.	length of automobile trip and gasoline consumed by vehicle	B.	age and taxes paid over lifetime
		C.	size of house and value	D.	age of the head of the household and last digit of phone number
		Hint
	5.	Determine the slope and y-intercept of the graph of the equation
		A.	; b = -7
		B.	; b = 7
		C.	m = -7;
		D.	m = 7;
		Hint
	6.	Which equation represents a graph that is perpendicular to the graph of and passes through the point at (–1, 1)?
		A.		B.
		C.		D.
		Hint
	7.	Determine the slope of the line shown in the graph.
		A.		B.	-
		C.	undefined	D.	0
		Hint
	8.	Write the point-slope form of an equation of the line in the graph. Use (-2, 0) for (x1, y1).
		A.	y – 2 = x	B.	y = (x – 2)
		C.	y = (x + 2)	D.	y + 2 = x
		Hint
	9.	Write an equation in slope–intercept form of the line that passes through the points at (-5, 4) and (3, -1).
		A.	x = y –	B.	x = -y +
		C.	y = -x +	D.	y = x –
		Hint
	10.	If a line is drawn through points on a scatter plot and a positive relationship is shown, then _____.
		A.	the slope of the line is 0
		B.	as the values of x increase, the values of y increase
		C.	as the values of x increase, the values of y decrease
		D.	the slope of the line is undefined.
		Hint
	11.	What is the equation of the graph?
		A.	y = 3	B.	y = -3
		C.	x = 3	D.	x = -3
		Hint
	12.	The graphs below are a family of graphs because __________.
		A.	they have the same y-intercept
		B.	they have the same x-intercept
		C.	they have the same slope
		D.	they have different slopes
		Hint
	13.	Consider the equation y = -x – 5. Which graph will have the same slope but a y-intercept shifted down 2 units?
		A.	y = x – 5	B.	y = -x – 5
		C.	y = -x – 3	D.	y = -x – 7
		Hint
	14.	Which equation is parallel to the graph of y = 2x + and passes through the point (4, 7)?
		A.	y = -x +	B.	y = x +
		C.	y = 2x – 1	D.	y = 2x + 3
		Hint