1.	Determine which equation represents a function.
		A.		B.	x = y2 - 1
		C.	x = 4	D.	y = -2x + 1
		Hint
	2.	Given the function f(x) = x2 + 9, find f(-3).
		A.	12	B.	0
		C.	6	D.	18
		Hint
	3.	Which equation is graphed below?
		A.	3x + y = 6	B.	x - 3y = -6
		C.	x + 3y = 6	D.	3x - y = -6
		Hint
	4.	A best-fit line drawn on a scatter plot ________
		A.	must be drawn through the first and last data points.
		B.	always has a positive slope.
		C.	is a line that goes through every data point.
		D.	approximates the linear relationship of data points.
		Hint
	5.	Identify h(x) = [x] + 4.
		A.	direct variation function
		B.	absolute value function
		C.	greatest integer function
		D.	constant function
		Hint
	6.	Which equation describes graph A?
		A.	y = 2.25| x | - 1	B.	y = | 2.25x |
		C.	y = 2.25x - 1	D.	y = | x - 1 |
		Hint
	7.	Consider the function f (x) = -2(x + 8). Is this function a linear function? Why or why not?
		A.	Yes, the coefficient of x is not zero.
		B.	Yes, the function can be written in the form f (x) = mx + b.
		C.	No, the function cannot be written in the form f (x) = mx + b.
		D.	No, f is not a function.
		Hint
	8.	Choose the line that has a slope of zero.
		A.		B.
		C.		D.
		Hint
	9.	Find the slope of the line below.
		A.		B.
		C.		D.
		Hint
	10.	What is the slope of the line with equation
		A.		B.
		C.	-7	D.	7
		Hint
	11.	Write an equation in slope-intercept form for the line that has a slope of 2 and passes through (-4, -6).
		A.	y = 2x - 2	B.	y = 2x + 8
		C.	y = 2x + 2	D.	y = 2x - 8
		Hint
	12.	The table shows the average heights (in centimeters) of females ages 1-14. If this trend continues, about how tall will an average fifteen-year-old female be?
		A.	156.9 cm	B.	168.5 cm
		C.	160.3 cm	D.	163.7 cm
		Hint
	13.	What is the inequality represented in the graph?
		A.	x + 2y > 4	B.	x + 2y > 4
		C.	x + 2y 4	D.	x + 2y 4
		Hint
	14.	Choose the ordered pair that satisfies 7x – 15y < -13.
		A.	(2, -3)	B.	(1, 1)
		C.	(0, -2)	D.	(-2, 0)
		Hint