1.	Use a graphing calculator to find the equation of the regression line.
		A.	y = 2x - 25	B.	y = x - 576
		C.	y = 23x - 21,000	D.	y = 12x - 23,947
		Hint
	2.	The equation 2x - y + 3z = 5 represents _____________
		A.	none of these.	B.	a circle.
		C.	a line.	D.	a plane.
		Hint
	3.	Find the value of .
		A.	-17	B.	-3
		C.	17	D.	3
		Hint
	4.	If you use the parent graph y = as a reference, how would you graph y = - 3?
		A.	Move the parent graph down 3 units.	B.	Move the parent graph to the left 3 units.
		C.	Move the parent graph up 3 units.	D.	Move the parent graph to the right 3 units.
		Hint
	5.	If you use the parent graph f(x) = x2, describe how you would graph g(x) = (x - 4)2 - 2.
		A.	Move the parent graph right 4 units and up 2 units.	B.	Move the parent graph left 4 units and down 2 units.
		C.	Move the parent graph left 4 units and up 2 units.	D.	Move the parent graph right 4 units and down 2 units.
		Hint
	6.	Determine between which consecutive integers the real zeros of f(x) = x4 - 4x2 + x - 3 are located.
		A.	between -3 and -2 and between 5 and 6	B.	between -4 and -3 and between 3 and 4
		C.	between -3 and -2 and between 2 and 3	D.	between -2 and -1 and between 2 and 3
		Hint
	7.	Solve > 0.
		A.	-1 < x < 0 or x > 2	B.	-2 < x < 0 or x > 2
		C.	-2 < x < 0 or x < 1	D.	-1 < x < 0 or x > 1
		Hint
	8.	Write the equation for the inverse of y = Arctan 4x.
		A.	y = 2 Tan x	B.	y = Tan x
		C.	y = Tan x	D.	y = 4 Tan x
		Hint
	9.	Find the value of sin (x + y) if , sin x = , and sin y = .
		A.		B.
		C.		D.
		Hint
	10.	Graph the point .
		A.
		B.
		C.
		D.
		Hint
	11.	Use polar form to find the product (4 + 4i)(-2 + 2i). Express the result in rectangular form.
		A.	-16	B.	16
		C.	-16i	D.	16i
		Hint
	12.	The equation of a circle is 3x2 + 3y2 – 6x + 12y – 24 = 0. Find its center and radius.
		A.	(1, –2);	B.	(–1, 2);
		C.	(1, –2); 13	D.	(–1, 2); 13
		Hint
	13.	Write the equation x2 + 2y2 + 2x + 4y - 1 = 0 in standard form.
		A.
		B.
		C.
		D.
		Hint
	14.	Solve 54x = 72.
		A.	0.4217	B.	0.5139
		C.	0.3246	D.	0.6643
		Hint
	15.	The function f(x) = - (x + 2)3 - 3 has a critical point at x = -2. Determine whether this is the location of a maximum, minimum or a point of inflection.
		A.	extremum
		B.	maximum
		C.	minimum
		D.	point of inflection
		Hint
	16.	Find the magnitude of for N(-2, -6, -12) and K(3, -6, 7).
		A.		B.
		C.		D.
		Hint
	17.	In physics, you can determine how much force with which an object is sliding down a frictionless incline by adding the gravitational force vector and the ''normal force'' vector. The normal force vector is always directed up out of the incline perpendicular to it (90° more than the measure of the incline). The magnitude m of the normal force can be calculated by m = f cos , where f is the gravitational force and is the angle measure of the incline. If a gravitational force (always straight down) of 50 N is being exerted on an object on a 25° incline, what is the magnitude of the force with which it is sliding down the incline?
		A.	21.1 N	B.	50 N
		C.	93.1 N	D.	45.3 N
		Hint
	18.	Find the direction of the resultant of a 7-newton force at an angle of 35° above the x-axis and a 12-newton force at an angle of 35° below the x-axis.
		A.	-2.9°	B.	0°
		C.	10.4°	D.	-10.4°
		Hint
	19.	Find the rectangular coordinates of the point K(4, 276°).
		A.	(0.42, -3.98)	B.	(-3.98, 0.42)
		C.	(-2.38, -38.06)	D.	(-38.06, -38.06)
		Hint
	20.	Find the polar coordinates of the point P(8, -2).
		A.		B.
		C.	(10, -4)	D.
		Hint