1. a*(1/a) = 1
True
False
2. (-1/a) = -a
True
False
3. (-a)(-1/a) = 1
True
False
4. (1/a)(1/b) = 1/(ab)
True
False
5. 1/(1/a) = a
True
False
Part 2
TRUE/FALSE: (Each question is worth 1 point)
6. The reciprocal of 3/4 is 4/3
True
False
7. The multiplicative inverse of -2/3 is 3/2
True
False
8. The reciprocal of 0 is 0
True
False
9. The multiplicative inverse of -1 is 1
True
False
10. The reciprocal of 1.25 is 0.8
True
False
11. a/b = a*(1/b)
True
False
12. 0/a = 0
True
False
13. b/0 = 0
True
False
14. (a/c) + (b/c) = (a + b)/c
True
False
15. (-a/-b) = -(a/b)
True
False
16. 12/4 = 4/12
True
False
17. (12/4) / 3 = 12 / (4/3)
True
False
18. (12 - 6) / 3 = 4 - 6
True
False
19. 12/ (-1/2) = -6
True
False
20. (-1/2) / 12 = -1/24
True
False
Part 3
Multiple Choice: Simplify or evaluate the statements. (Each question is worth 1 point)
21. (-1/3)(12)(-3/4)
5
4
3
22. (1/4)(-8a + 4b)
2a + b
-4a + 2b
-2a + b
23. (24x - 12y)(-1/6)
6x + 2y
-4x + 2y
4x + 2y
24. (1/2)(4c - 6d) - (1/3)(6c - 9d)
0
4c - 6d
-4c + 6d
25. 96/(-8)
12
-12
0
26. -9 / (-1/8)
72
-72
17
27. -12/36
3
-3
-1/3
28. Find the average of -21, 19, 5, and -11
14
-2
2
2007-06-20 09:08:53 · 6 answers · asked by stupid g 1 in Science & Mathematics ➔ Mathematics
part 1
1 true
2 false
3 true
4 true
5 true
part 2:
6 true
7 false
8 true
9 false
10 true
11 true
12 true
13 false(division by 0 your house will explode)
14 true
15 false
16 false
17 false
18 false
19 false
20 true
part 3
21 3
22 -2+b
23 -4x+2y
24 0
25 -12
26 72
27 -1/3
28 -2
and thank you for giving me a best answer
2007-06-20 09:23:28 · answer #1 · answered by WraitH 3 · 0⤊ 0⤋
The answers are in order -
part 1
true
false
true
true
true
part2
true
false
false
false
true
true
true
false
true
false
false
true
false
false
part 3
3
-2a+b
-4x+2y
0
-12
72
-1/3
-2
2007-06-20 16:28:11 · answer #2 · answered by ishita s 2 · 0⤊ 0⤋
I'll do some:
1) true, the a's cancel out, leaving only 1
2) false, a's cancel but, leaving only 1
3) true, a's cancel and leaving a positive 1
4) true
5)true
6)t
8)t
10)t
11)t
12)f
13)t
14)t
16)f
21)3
23)4x+2y
25)-12
28)-2
alost of these are really easy, you should try to atleast do the easy one's and not put you whole homework assignment on here.
2007-06-20 16:24:21 · answer #3 · answered by Robert C 3 · 0⤊ 0⤋
Hi, a question here or there is fine. BUT NOT your entire homework assignment. You should try just putting one or two problems up. We can help you solve them and then you learn from our answers to help you with the rest.
2007-06-20 16:17:18 · answer #4 · answered by Dogna M 4 · 0⤊ 0⤋
T,F,T,T,T,T, F,F,F,T,T,T,F,T,F,F,T,F,F,T
3, -2a+b, -4x+2y, 0, -12,-1/3,-2
2007-06-20 16:37:09 · answer #5 · answered by ironduke8159 7 · 0⤊ 0⤋
Little questions are good but a whole homework assignment is not going to fly.
2007-06-20 16:13:53 · answer #6 · answered by Jared W 2 · 1⤊ 1⤋