1.	Determine the slope of the line graphed below.
		A.	0	B.
		C.		D.
		Hint
	2.	Determine the slope of the line that passes through (2, 2) and (5, 8).
		A.		B.	-2
		C.	2	D.
		Hint
	3.	Which pair of lines graphed below are parallel?
		A.	l and n	B.	k and n
		C.	k and m	D.	l and m
		Hint
	4.	Evaluate . Express the result in scientific notation.
		A.	80 × 10-8	B.	8.0 × 10-9
		C.	8.0 × 10-7	D.	0.8 × 10-8
		Hint
	5.	The graph of y = -4x2 - 1 is _____.
		A.	a circle	B.	None of these is correct.
		C.	a straight line	D.	a parabola
		Hint
	6.	Simplify .
		A.		B.
		C.		D.
		Hint
	7.	Which characteristic describes a graph that is linear and has direct variation.
		A.	The equation has the form y = mx + b.
		B.	Variables x and y are not proportional.
		C.	The equation has the form y = mx.
		D.	The graph does not pass through (0, 0).
		Hint
	8.	Find the equation that is nonlinear.
		A.	y = 4y2	B.	y = 8 – x
		C.	y = –3x – 1	D.	y = 14 + 6x
		Hint
	9.	What is the equation of a line that has a slope of –1 and passes through (–2, 0)?
		A.	y = –x – 2	B.	y = –x – 1
		C.	y = –x + 2	D.	y = –2x + 1
		Hint
	10.	What is the equation of a line that has a slope of 3 and passes through (–4, –3)?
		A.	y = 3x – 3	B.	y = 3x + 3
		C.	y = 3x – 9	D.	y = 3x + 9
		Hint
	11.	Which three points are collinear?
		A.	(–1, 1), (2, 3), (5, 2)
		B.	(–5, –3), (–2, 3), (2, –4)
		C.	(3, 1), (4, 0), (–1, 2)
		D.	(4, –3), (2, –2), (–4, 1)
		Hint
	12.	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
	13.	Write the equation in slope-intercept form. –6x = –10 – 2y
		A.	y = 3x – 5
		B.	–6x + 2y + 10 = 0
		C.	y + 8 = 3(x + 1)
		D.	y = 3x + 8
		Hint
	14.	Find the equation of the graph below.
		A.	y = x2 + 3	B.	y = x2 – 3
		C.	y = (x - 3)2	D.	y = (x + 3)2
		Hint
	15.	Consider the equation xy = 3. What happens to the value of y when x doubles?
		A.	y doubles	B.	y quarters
		C.	y halves	D.	y triples
		Hint
	16.	Find the equation of the following graph.
		A.	y =	B.	y = x3
		C.	y = x2	D.	y =
		Hint
	17.	What is a conjecture?
		A.	an educated guess that has been proved
		B.	an educated guess that hasn't been proved yet
		C.	a ''shot in the dark'' guess that hasn't been proved yet
		D.	a ''shot in the dark'' guess that has been proved
		Hint
	18.	What is true of the second differences for the equation x2 – 6x + 12?
		A.	they increase by 12
		B.	they decrease by 1
		C.	they increase by 1
		D.	they are constant
		Hint
	19.	Use the following table to find the amount of medicine remaining in the bloodstream after n hours.
		A.	425 × 0.85n	B.	0.85 × 500n
		C.	500 × 0.85n	D.	0.85n
		Hint
	20.	Find the table that does not represent an exponential equation.
		A.
		B.
		C.
		D.
		Hint