1.	Which ordered pairs could be used to graph the equation 2x + y = 5?
		A.	(2, 5), (-1, 5)	B.	(5, 0), (1, 2)
		C.	(-2, 9), (4, -3)	D.	(2, -1), (-1, 2)
		Hint
	2.	Draw the graph of y = -3x + 4.
		A.
		B.
		C.
		D.
		Hint
	3.	What is the slope of the line through the points A(-3, 4) and B(2, -1)?
		A.	-1	B.	1
		C.	-3	D.
		Hint
	4.	Graph the equation using the x- and y-intercepts.
		A.		B.
		C.		D.
		Hint
	5.	An equation written in the form y = mx + b is in
		A.	slope-intercept form	B.	both intercept form
		C.	y-intercept form	D.	x-intercept form
		Hint
	6.	Determine whether the relation is a function. Explain.
		A.	No, because there is an element in the domain that is paired with two elements in the range.
		B.	Yes, because each element in the domain is paired with exactly one element in the range.
		C.	Yes, because every relation is a function.
		D.	No, because there are two elements in the domain that are paired with the same element in the range.
		Hint
	7.	Determine whether the graph is a function. Explain.
		A.	No, the graph fails the vertical line test.	B.	No, because there are two elements in the domain that are paired with the same element in the range.
		C.	Yes, the graph passes the vertical line test.	D.	The graph does not provide enough information.
		Hint
	8.	Find the x- intercept for the graph of 3x + 5y = 15.
		A.	3	B.	-5
		C.	-3	D.	5
		Hint
	9.	Find the slope of the line that passes through (-10, 5) and (2, 5).
		A.	-12	B.	undefined
		C.	-8	D.	0
		Hint
	10.	The direct variation equation y = 2.75x relates miles x and the cost y for a ride from a taxi company. Use the equation to find the cost of a taxi ride that is 13 miles long.
		A.	$37.05	B.	$33.00
		C.	$32.50	D.	$35.75
		Hint
	11.	Suppose y varies directly with x and when Write an equation relating x and y.
		A.		B.
		C.		D.
		Hint
	12.	State the slope and y- intercept of the graph of
		A.		B.
		C.		D.
		Hint
	13.	Write an equation in slope-intercept form for the line graphed.
		A.		B.
		C.		D.
		Hint
	14.	Write an equation for the line that passes through (-3, 23) and (3, -7).
		A.		B.	y = 5x – 23
		C.		D.	y = -5x + 8
		Hint
	15.	A best-fit line has the equation y = 13.7694x + 3.99, which models the cost y of ordering x CDs from a music company. Predict the cost of ordering 8 CDs.
		A.	about $114.06	B.	about $100.30
		C.	about $114.15	D.	about $110.16
		Hint
	16.	A best-fit line has the equation y = 37.4296x + 4.99, which models the cost y of ordering x video games from an online store. Predict the cost of ordering 3 video games.
		A.	about $114.27	B.	about $117.78
		C.	about $117.28	D.	about $108.28
		Hint
	17.	Solve the system of equations given by y = -5x + 1 and y = -5x – 4.
		A.		B.
		C.	no solution	D.	infinitely many solutions
		Hint
	18.	Solve the system of equations given by 3y = 6x + 3 and y = 2x + 1.
		A.	(0, 1)	B.	no solution
		C.	(-2, -3)	D.	infinitely many solutions
		Hint
	19.	Match the graph shown with the correct inequality.
		A.		B.
		C.		D.
		Hint
	20.	Match the graph shown with the correct inequality.
		A.		B.	y < -4x – 6
		C.		D.
		Hint