# Quiz 2 Week 2.docx _207K_ - Home_property by liwenting

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```									1. Simplify. 88 · 8-8 (Points : 1)
8
undefined
1
0
0                855440064         MultipleChoice   16

2. Write 12,767 in base sixteen. (Points : 1)
311214sixteen
311315sixteen
31DFsixteen
31CEsixteen
0                855440065         MultipleChoice   11

3. Which property of the real numbers is illustrated by the following statement?
(17 · 7) · 12 = 17 · (7 · 12) (Points : 1)
Distributive property
Commutative property of multiplication
Associative property of multiplication
Identity property for multiplication
0                855440067         MultipleChoice   12

4. Solve the inequality: x + 14 < -11 (Points : 1)
x>3
x > -25
x < -25
x<3
0                855440069         MultipleChoice   45

5. Perform the multiplication on the 12-hour clock. 11 x 3 (Points : 1)
11
9
8
10
0                855440071         MultipleChoice   33

6. Convert 11010two to base ten. (Points : 1)
22
26
11
9
0                 855440072     MultipleChoice   9

7. Find the value of y in the mod 11 system. 10 + y = 1 (Points : 1)

\$StudentAnsw er   855440074     FillInTheBlank   5

8. Find the value of 327 in the mod 7 system. (Points : 1)

\$StudentAnsw er   855440076     FillInTheBlank   7

9. Perform the addition on the 12-hour clock. 5 + 11 (Points : 1)

\$StudentAnsw er   855440077     FillInTheBlank   6

10. Simplify. (82 - 60) + [(-3 x 4) - 36÷4] (Points : 1)
25
19
10
1
0                 855440079     MultipleChoice   24

11. Simplify: 5(-3x + 3) (Points : 1)
0
-15x + 15
15x + 15
-15x + 3
0                 855440081     MultipleChoice   37

12. Which number is prime? (Points : 1)
12
31
99
1
0                 855440083     MultipleChoice   23

13. Which property is not true for all numbers on the 12-hour clock? (Points : 1)
Inverse property for multiplication
Closure property for addition
Identity property for multiplication
Identity property for addition
0                855440085      MultipleChoice   29

14. Evaluate (6 - 6) - 5 in the mod 12 system. (Points : 1)
7
8
-5
6
0                855440086      MultipleChoice   28

15. Find the LCM of 18, 28, and 48. (Points : 1)
42
24,192
2
1,008
0                855440088      MultipleChoice   14

16. An arithmetic student needs at least a 70% average to receive credit for the course. If she
scored 86%, 77%, and 64% on the first three exams, what is the lowest score she can get on the
fourth exam to receive credit for the course? (Points : 1)
58%
51%
53%
55%
0                855440090      MultipleChoice   44

17. Evaluate (3 + 4) + 1 in the mod 5 system. (Points : 1)
4
2
8
3
0                855440092      MultipleChoice   31

18. Add. (-6) + (-14) (Points : 1)
-20
-8
20
8
0               855440094      MultipleChoice   22

19. Evaluate (2 x 4) x 2 in the mod 5 system. (Points : 1)
2
16
3
1
0               855440096      MultipleChoice   32

20. Write 243 using Roman numerals. (Points : 1)
CCXLIII
XLIVIII
CCXXXXIII
CCLXIII

```
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