Appendix C: Post Test

Answer as many of the following questions as best as you can. You may use a calculator. Recommended testing time is 70 minutes.

1. Dan works 7 hours or more each day for five days. If he is paid $5.45 per hour, then his week's paycheck will be:	a) at least $210.00 b) at most $38.15 c) at least $38.15 d) at least $190.75 e) at most $190.75
2.	a) -211 b) c) -21 d) -8 e) -19
3.	a) 6 b) -6 c) 0 d) -3 e) 3
4. How many miles will a car travel in 81 minutes at 50 miles per hour?	a) 4050 miles b) 67.5 miles c) 1.62 miles d) 37 miles e) none of the above
5. 63,000 in scientific notation is:	a) 63 10^3 b) 6310^4 c) 0.6310^5 d) 6.3000 e) 6.310^4
6. Three-fourths of eighteen is:	a) 24 b) irreducible c) 216 d) e)
7. A store advertises everything on sale for 20% off. How much will a pair of shoes sell for that normally costs $30?	a) $26 b) $14 c) $36 d) $24 e) $ 6
8. If John bought 6 pounds of rice for $2.40, how much did the rice cost per pound?	a) 40 cents per pound b) $2.50 per pound c) 14.4 cents per pound d) 2.5 cents per pound e) 2.5 pounds per dollar
9. Find the perimeter of the following figure.	a) 10 b) 11 c) 16 d) 24 e) 32
10. Find the value of x.	a) 5 b) 18 c) 22.5 d) 36 e) 90
11. A triangle is called a right triangle if:	a) two sides are perpendicular b) two sides are parallel c) all sides have equal length d) two sides have equal length e) one side is horizontal
12. A parallelogram is:	a) a square b) a rectangle c) a measure of weight d) a shape with two parallel sides e) a shape with two pairs of parallel sides
13. Which statement best describes this pair of lines?	a) They intersect at (1,-4) b) They are equidistant c) They have slope 3 d) They are parallel e) They are perpendicular
14. In the picture below, which of the following statements is true?	a) a = c b) b = d c) a + b = 180° d) all of the above e) none of the above
15. What is the surface area of a rectangular box with height 2, width 3, and length 5?	a) 60 b) 62 c) 31 d) 30 e) 17
16. The perimeter of the parallelogram is	a) rs b) r + s c) 2r + s d) r + 2s e) 2r + 2s
17. In the triangle below, angle A is 25° and angle B is 50° . What is the measure of angle C?	a) 75° b) 90° c) 105° d) 130° e) 155°
18. If y - 6 = (x - 1), then x =	a) b) c)	d) 1 e)
19. If 5 is to 3 as 3 is to x, the x is:	a) b) 5 c)	d) e)
20. If x quarts of oil cost $5, how much will 4 quarts cost?	a) $ b) $ c) $20	d) $ e) $4x
21. (1 + 4x) (2x - 3) =	a) -5x^2b) 8x^2 - 10x - 3 c) 8x^2 - 3 d) 2x^2 + 5x - 12 e) 8x^2 - 14x - 3
22. Add 3x^2 - 9x + 5 to 10 + 2x - x^2	a) 10x^2 - 7x + 4 b) -7x + 18 c) -3x^2 - 18x + 50 d) -4x^2 - 11x + 15 e) 2x^2 - 7x + 15
23. Evaluate 3 - 2ab - 7a^2 when a = -2 and b = 3.	a) -34 b) 22 c) 43		d) -13 e) 19
24. Evaluate x^3 + 3x^2 - x - 1 when x = -3.	a) -10 b) -52 c) 50		d) 56 e) 2
25. Factor 8x^5 - 6x^3z + 20x^4 completely.	a) 2(4x^5 - 3x^3z + 10x^4) b) 2x^3(4 - 3z + 10) c) x^3(8x^2 + 6z + 20x) d) 2x^3(4x^2 - 3z + 10x) e) The polynomial is unfactorable.
26. If 4x - 10 = 8 + 10x - 3, then x =	a) b) c) d) e) None of these
27. For all real numbers a, x, y, and z, ax(y + z) is always equal to:	a) axy + z b) axy + xz c) a^2x^2yz d) a(xy + xz) e) axy - axz
28. (2b - 3) (b + 2) =	a) 2b^2 - 6 b) 2b^2 + 7b - 6 c) 3b - 1 d) -4b e) 2b^2 + b - 6
29. Factor 2a^2 - 7a + 6 completely.	a) (2a - 2) (a - 3) b) (2a + 3) (a + 3) c) (2a - 3) (a - 2) d) (2a + 3) (a - 2) e) (2a - 3) (a + 2)
30.	a) -7y^4z^7b) 7y^4z^7c) 7y^3z^8d) -7y^3z^8e) -7y^3z^7
31. Subtract 10x - 4 from 6x + 8	a) 4x - 12 b) 4x + 4 c) -4x + 12 d) -4x - 12 e) -4x + 4
32. Find all solutions to y^2 = 4y	a) -2, 0, 2 b) -4, 0 c) 0	d) 0, 4 e) 4
33. is the same as:	a) -x^4b) x^-4c) -x^-4	d) -4x e) x - 4
34. Solve the inequality 4 - 3x > 13	a) x > -3 b) x < -3 c) x > 3	d) x < 3 e) x > 12
35. Which of the following is a factor of x^2 - 8x + 12?	a) x + 1 b) x - 3 c) x - 2	d) x + 6 e) x + 4
36. The complete factorization of 8x - 2x^3 is:	a) 2x (x - 2) (x + 2) b) 2x (x - 2)^2c) 2x (2 - x) (2 + x) d) 2x (4 - x^2) e) 2x (2 + 2x^2)
37. Which of the following is a solution of y - 1 = 4(x - 2) ?	a) (-2, 1) b) (-3, 1) c) (1, 2)	d) (0, -9) e) (1, -3)
38. Find all solutions to (3x - 5) (x + 9) = 0.	a) b) c) d) e)
39. The slope of the line y = -4x + 3 is:	a) b) c) d) 3 e) undefined
40. An equation for the line through the point (0,7) with slope -3 is:	a) y = 7 b) y = 7x - 3 c) y = 7x + 3 d) x = -3y + 7 e) y = -3x + 7
41. (3x + 2)^2 =	a) 9x^2 + 4 b) 6x + 4 c) 9x^2 + 12x + 4 d) 9x^2 + 6x + 4 e) 36x^2
42. (x - 2) (3x^2 - 2x + 4) =	a) 3x^3 + 4x^2 - 8 b) 3x^3 + 4x^2 + 8x - 8 c) 3x^3 - 8x^2 + 8x - 8 d) 3x^3 - 4x^2 + 8x - 8 e) 3x^3 - 8x^2 + 8x + 8
43. (x + 3) (x - 1) - 4x(x - 2) =	a) -3x^2 + 10x - 3 b) -3x^2 - 6x - 3 c) 5x^2 + 10x - 3 d) 5x^2 - 6x - 3 e) -3x^2 + 10x + 3
44. If -2 or 5 are solutions to the equation (x - k) (x + 2) = 0, then k is:	a) 2 b) -2 c) 5	d) -5 e) 3
45. 5x + 2(y + z) - 4(x + z) =	a) 3(x + y + z) b) x + 2y - 2z c) x + 2y + 6z d) x + 2y + 2z e) 5x - 2y - 2z
46. If x = 2, then	a) 0 b) 1 c) 2	d) e)
47. in lowest terms is	a) b) c)	d) e)
48. -[3 - (5 - x)] =	a) 2 - x b) -2 + x c) 8 - x	d) -8 + x e) 15 - 3x
49. If 3x + 12 = 5 - 2x + 17, then x =	a) b) c) 10	d) 4 e) 2

Answers to Post Test

Exercise	Answer	Refer to lesson	Exercise	Answer	Refer to lesson
1)	D	1	2)	E	8
3)	B	3	4)	B	1
5)	E	8	6)	E	3
7)	D	7	8)	A	1
9)	C	10	10)	B	9
11)	A	10	12)	E	10
13)	E	9	14)	D	9
15)	B	10	16)	E	10
17)	C	9	18)	A	5, *
19)	E	3	20)	D	3
21)	B	11	22)	E	11
23)	D	8, 2	24)	E	11, 8, 2
25)	D	12	26)	A	4,5
27)	D	2	28)	E	11
29)	C	13	30)	A	8
31)	C	11	32)	D	12
33)	A	8	34)	B	6
35)	C	13	36)	C	12, 13, *
37)	E	14	38)	B	12, 13
39)	B	14	40)	E	14, *
41)	C	8, 11	42)	C	11
43)	A	11	44)	C	12, 13, *
45)	B	11	46)	A	2, 3, 8
47)	D	3	48)	A	11
49)	E	5

* These problems are not specifically covered in this workbook.

Interpretation: 28 or more correct--STRONG performance. You should be ready for Math 105.

23-27 correct--GOOD, but you should try to master a few more problem types.

Less than 22 correct--More work is needed.