Week 1 Assignment
Section 1.1
1.
True: Every irrational number is a real number.
11.
0 and 14 are whole numbers.
13.
0, 14, 2
,  11
, 2.34, 3.2Ī, 55
, 19, and 2.6 are rational numbers.
3
14
8
19.
R
N
⊄
23.
Q
N
⊄
29.
8 is real, rational, an integer, and negative.
33.
{1,2} are natural numbers less than 3.
43.
6 = y (transitive property of equality)
44.
5x + 7 = 5x + 7 (reflexive property of equality)
45.
n = 2 and 3n + 4 = 10 then 3(2) + 4 = 10 (substitution property of equality)
47.
4 = 3x+1, then 3x + 1 = 4 (symmetric property of equality)
51.
26
53.
84
58.
28
59.
60
61.
33
63.
1320
65.
20
69.
18
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54
73.
31
76.
The Reflexive Property, as far as I understand, includes one variable, and displays
the concept that a = a, or 2x + 5 = 2x + 5, meaning that a variable or equation equals the
same value, and also if repeated; while the Symmetric Property states that if a = b, b = a,
or 3 + 1 = 4, then 4 = 3 + 1, and includes more than one variable, usually two.
The Sym
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 Fall '10
 .
 Algebra, Addition, Prime number, 20 years, 25 cm, Ignacio, 0.6 lb

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