Question 324779: 1. A rectangular room has a length of 12 feet, a width of 14 feet, and a height of 8 feet. Then its volume is 1264 cubic feet. (Points: 1)
True
False
2. -55 ÷ (-11) = -5 (Points: 1)
True
False
3. -20 - (-55) - 14 > 0 (Points: 1)
True
False
4. 22 • 32 • (-4)2 = (-2)2 • (-3)2 • (4)2 (Points: 1)
True
False
5. A car is purchased for $1200 down and 60 monthly payments of $175. Then the total cost for this transaction is $11,700 (Points: 1)
True
False
6. 1 -{-1 - [-1 - (-1- 1)]} = 2 (Points: 1)
True
False
7. Multiply: -2 • 4 . The product is (Points: 1)
8
-8
6
-6
none of these
8. Multiply: -4(-13) (Points: 1)
9
-9
52
-52
none of these
9. Simplify: -0.6 x 5.4 (Points: 1)
3.24
-3.24
0.324
-0.324
none of these
10. Multiply
(-5)(4)(9) (Points: 1)
180
-180
9
-9
none of these
11. Divide
-30 ÷ 5 (Points: 1)
6
-6
25
-25
none of these
12. Evaluate: |12 - 8 - 4| - |-35| (Points: 1)
35
59
-59
-35
none of these
13. Add: -36 + (-40) + (-16) (Points: 1)
92
-92
20
-20
none of these
14. Add: -7 + (-33) + 27 + (-14) + 20 + (-2)
(Points: 1)
9
8
-9
-8
none of these
15. Evaluate: (-3)4 (Points: 1)
-81
-12
64
81
none of these
16. The daily high temperatures during one week were recorded in Fahrenheit degrees as follows: -5°, -8°, 6°, 8°, 0°, -6°, -2°. Find the average daily high temperature for the week. (Points: 1)
-1°F
5°F
13°F
-7°F
none of these
17. Evaluate: (0.2)3 (Points: 1)
8
0.8
0.08
0.0008
none of these
18. (2/3)(3/4)(4/5)(5/6) = 1/3 (Points: 1)
True
False
19. The square of every number between 0 and 1 is larger than the number itself. (Points: 1)
True
False
20. If 3/4 is divided by 5/6, the result will be (Points: 1)
9/10
17/18
11/12
10/11
none of these
21. Evaluate: (2/3)3 (Points: 1)
8/27
6
2/27
8/3
none of these
22. 17 is what percent of 136? (Points: 1)
0.125
8
800
12.5
none of these
23. Change the fraction 5/4 to a percent. (Points: 1)
1.25%
12.5%
125%
0.125%
24. A quality control inspector found 6 defective video cassettes in a shipment of 4000 cassettes. At this rate, how many cassettes would be expected to be defective in a shipment of 10,000 cassettes? (Points: 1)
24 cassettes
12 cassettes
20 cassettes
15 cassettes
none of these
25. (-1, 0) is a solution of y = -x . (Points: 1)
True
False
26. Evaluate the variable expression when a = -2, b = 3, and c = 4.
4a + c2 (Points: 1)
8
24
0
2
none of these
27. Evaluate the variable expression when a = -2, b = 3, and c = 4.
2(b + c) - 3a (Points: 1)
20
6
17
5
28. Evaluate the variable expression a2 - 2ac - b2 - ab when a = -2, b = 3, and c = -4.
(Points: 1)
-15
-27
17
13
none of these
29. Is -2 a solution of x - 3 = -1? (Points: 1)
Yes
No
30. Is 4 a soluton of 2x2 - 1 = 4x + 15? (Points: 1)
Yes
No
31. The equation A(B + C) = AB + BC is a correct application of the distributive property. (Points: 1)
True
False
32. Your car and a lamppost exchanged scrapes. Your repair bill was $639 of which $265 was for parts. If labor was billed at $34 per hour and that was the only other cost, for how many hours of labor were you charged? (Points: 1)
7
9
11
13
none of these
33. The width of a rectangle is 40% of the length. The perimeter of the rectangle is 266 ft. Find the length of the longer side of the rectangle, in feet. (Points: 1)
47.5
133
95
106.4
none of these
34. A rectangular area has a length of x + 10 feet and a width of x + 4 feet. Another rectangular area has a length of x + 12 feet and a width of x + 2 feet. What, in square feet, is the difference between the larger and smaller areas?? (Points: 1)
x + 14
16
64
2x + 16
none of these
35. If the taxes assessed on a property valued at $85,000 are $2975, then, at the same rate, the taxes assessed on a property valued at $110,000 would be (Points: 1)
$3795
$3850
$4155
$4350
none of these
36. 32% of a certain number + 20% of a number twice as large as the first together add to 288. What is the smaller number? (Points: 1)
400
128
256
800
none of these
37. Simplify: -2y2 + 7y2 - 6y2 (Points: 1)
-3y2
3y2
y2
-y2
none of these
38. Simplify: (x2 - x + 3) - (x2 + 4x + 5)
(Points: 1)
x2 - 3x + 8
-5x - 2
3x + 8
2x2 - 5x - 2
39. Simplify: (x2 - 2xy) - (-2x2 + 3xy)
(Points: 1)
3x2 + xy
x2 - 5xy
3x2 - 5xy
-x2 - xy
none of these
40. Simplify: (2x3 - 5x + 6) - (x3 - x + 7)
(Points: 1)
3x3 + 6x + 13
x3 - 4x - 1
x2 - 5x - 1
x2 - 4x - 1
none of these
41. Simplify: (5y3 + 2y + 8) + (2y2 + 3y - 15)
(Points: 1)
5y3 + 2y2 + 5y - 7
7y3 + 5y2 - 7
3y3 + 5y - 7
5y3 + 2y2 + y - 7
none of these
42. Simplify: -6(2x2) (Points: 1)
-24x2
-18x2
36x2
144x2
none of these
43. Simplify: -4(-3y - 4) (Points: 1)
-12y + 16
12y + 16
-12y + 8
-7y - 8
none of these
44. Simplify: 4y - 2(y - 2x) + 3(6x - y) - (x - y) (Points: 1)
22x - y
13x + y
21x
22x + y
none of these
45. Simplify.
(y + 1)(3y + 2)
(Points: 1)
4y2 + 6y + 2
3y2 + 6y + 2
3y2 - 6y - 2
3y2 + 5y + 2
none of these
46. Simplify.
(-a2 + 4a - 3)(2a + 3)
(Points: 1)
-2a3 + 5a2 + 6a - 9
-2a2 + 6a - 6
2a3 + 8a2 - 9
2a3 + 6a2 + 7a - 9
none of these
47. Solve: 2y + 5 = 26 - 7y y = (Points: 1)
3/7
-3/7
7/3
-7/3
none of these
48. Solve and check: 4y - 5 = 6 + 3(y - 1) (Points: 1)
8
-8
49. Solve: x/3 + 3/4 = x/12
(Points: 1)
3
4
no solution
-3
none of these
50. Solve for x: (3x + 4)/6 = (2 - 3x)/10. x = (Points: 1)
x = 11/12
x = 3/4
x = -5/6
x = -7/12
none of these
51. Graph the ordered pairs (1, 1), (1, -4), (-2, 1), and (1, -2).
(Points: 1)
none of these
52. Graph. y = 2
(Points: 1)
none of these
53. Graph. x + 2y = 4
(Points: 1)
none of these
54. Graph. y = -4x
(Points: 1)
none of these
55. Graph. 3x - 2y = 6
(Points: 1)
none of these
56. Find the x- and y-intercepts.
x - y = 4
(Points: 1)
(2, 2); (-2, -2)
(4, 0); (0, -4)
(5, 1); (1, -5)
(5, 1); (1, -3)
none of these
57. Find the x- and y-intercepts.
y = 2x - 6
(Points: 1)
(4, 2); (-4, -2)
(5, 4); (-5, -4)
(3, 0); (0, -6)
(6, 6); (-6, -6)
none of these
58. Simplify.
(Points: 1)
-5x
x
-x2
5x2
none of these
59. Simplify.
(Points: 1)
x2y2
x4y3
x2y3
x4y2
none of these
60.
Simplify: [(-3)-2 x-1 y2]-2
(Points: 1)
(81x2)/y4
(-81x2)/y4
x2/(81y4)
-x2/(81y4)
none of these
Answer by Fombitz(32388)   (Show Source):
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