1.	Express 0.0000421 in scientific notation.
		A.	4.21 × 10-4	B.	4.21 × 10-9
		C.	4.21 × 10-5	D.	4.21 × 10-6
		Hint
	2.	Write the inequality that is graphed on the number line below.
		A.		B.
		C.		D.
		Hint
	3.	Solve 3r + 5 > 26.
		A.		B.	r > 21
		C.	r > 7	D.
		Hint
	4.	Use substitution to solve the system of equations given below. 8x - 4y = 16 2x - y = 4
		A.	(2, 0)	B.	no solution
		C.	infinitely many solutions	D.	(0, -4)
		Hint
	5.	The sum of two numbers is 36. Twice the first number minus the second is 6. Find the numbers.
		A.	(30, 6)	B.	(14, 22)
		C.	(42, 6)	D.	(10, 26)
		Hint
	6.	Which characteristic describes a graph that is linear and has direct variation.
		A.	The equation has the form y = mx.
		B.	The equation has the form y = mx + b.
		C.	Variables x and y are not proportional.
		D.	The graph does not pass through (0, 0).
		Hint
	7.	Which characteristic describes a graph that is linear and has direct variation.
		A.	Variables x and y are not proportional.
		B.	The equation has the form y = mx + b.
		C.	The equation has the form y = mx.
		D.	The graph does not pass through (0, 0).
		Hint
	8.	What is the equation of a line that has a slope of –1 and passes through (–2, 0)?
		A.	y = –2x + 1	B.	y = –x + 2
		C.	y = –x – 1	D.	y = –x – 2
		Hint
	9.	Which table shows a quadratic relationship?
		A.
		B.
		C.
		D.
		Hint
	10.	How many diagonals does a 25-sided polygon have?
		A.	550	B.	25
		C.	300	D.	275
		Hint
	11.	Describe how the graph of y = (x + 1)2 differs from the graph of y = x2.
		A.	the graph of y = (x + 1)2 moved up 1 unit
		B.	the graph of y = (x + 1) 2 moved down 1 unit
		C.	the graph of y = (x + 1)2 moved 1 unit to the left
		D.	the graph of y = (x+1)2 moved 1 unit to the right
		Hint
	12.	Find the equation of the graph below.
		A.	y = (x - 3)2	B.	y = (x + 3)2
		C.	y = x2 – 3	D.	y = x2 + 3
		Hint
	13.	In the relationship , why is y inversely proportional to x?
		A.	8 is divided into y
		B.	8 is divided into x
		C.	the product of xy is a constant, 8
		D.	the relationship is undefined at x = 0
		Hint
	14.	Consider the equation . What happens to the value of y when x is divided by 4?
		A.	y is added to 4
		B.	y is divided by 4
		C.	y is multiplied by 4
		D.	y is subtracted from 4
		Hint
	15.	What is the relationship between constant second differences and the coefficient of the equation?
		A.	the second difference is opposite the coefficient
		B.	the second difference is the same as the coefficient
		C.	the second difference is 2 times the coefficient
		D.	the second difference is –2 times the coefficient
		Hint
	16.	Find the values for m and n which the conjecture (m – n)2 = m2 – n2 is false.
		A.	m = 1, n = 2	B.	m = –2, n = 0
		C.	m = 1, n = 0	D.	m = 1, n = 1
		Hint
	17.	Find a solution to the equation using backtracking.
		A.	a = 3	B.	a = 5
		C.	a = 2	D.	a = –2
		Hint
	18.	The sum of three consecutive even numbers is 54. Find the three numbers.
		A.	16, 18, 20	B.	16, 17, 18
		C.	15, 16, 17	D.	18, 19, 20
		Hint
	19.	John and Margaret have both ridden on the roller coaster called The Scream. Margaret has ridden it eight more than three times the number than John has. She also has ridden it five times the number John has. How many times has John ridden The Scream?
		A.	4	B.	6
		C.	20	D.	3
		Hint
	20.	Use you calculator's Table feature to approximate the solutions to the nearest hundredth. 4x(x + 2) = 12
		A.	x = 2, x = –2	B.	x = 1, x = –3
		C.	x = –1, x = –4	D.	x = 0, x = –4
		Hint