Name~
Class
Date
Practice 1-1
_
1[\f8JS Ot.JL'{ J
.................................................................................
'--
Properties of Real Numbers
Simplify.
1. -14.21
3·I-il
~&
2. 112
(-YI
- 16lJiI\
4.
7·114-81
fI(7!
II
8. 1-0.011 :: \ o. (.;
6. O.3(~)
0.31-61 ~~
<, >, or =
Replace each $ with the symbol
9. -V6 $ ViO
10. ~ $ 1.5 )
to make the sentence true.
1
-=
I. S}1.
- l-=l~.LiJJ
14.tj-71
$1-71
0 wliicli each
number
13. -0.4
$ 0sets of numbers
Name
all the
""HoL~
18. 0
21. 9
22. 10 (l kT1 OJ I\'t.
7 I l-~t.
+3 =3 +
12. 4 $ 1-41
16.
i
+ 3 =2 +
29.
+ 4v) = 48t + 64v
(x
V2$ V5_
..
1:
'"
.;:
19. V5
24. -~
l~u~J
t'2-A-TlG)JPrL,
I~E7Yl-
by each equation.
26. V2 + 0 = V2
x)
I-lf} J
\ Y ::
CiE ~J
23. 1.2345267831...
Jr
27. (2 +
16(3t
15.0.9. $
belongs
r2 M1 (;1'J,. ~ , (L-rPrt...
Name the property of real numbers illustrated
Jr
0.06$ 0.6
hJ~l1·l.
17. -5
25.
III
3 - 21-21 =LLJ
131 -
+ 3)
V2'
i
31. 0.01 . 1 = 0.01
32. ~.
33. 7 + (-7) = 0
34. 2(xy)
f YLcP8A-1'{ I'P k'DPIn CN
p(1.(i¥'~r{
V2 C-<fW\(v'\ lJi1I'r\\A
= 1 (~\iFYtSl:
28. ~. ~
30.
(DvN11 T\{
3
=
3 •
= 1 I tJv~H
= (2x)y
f(l..Gl"(')\.t""I
/Ac,Soc \ p.-flv{'
CY
('
€"f"'
Mu\..T"\puO ..·,,0-1
(l Ci1' n
-r
I (;;~ ~ u \..-,., P\.-I (A-'I"16'N
""u\..1' PU(A'f! ~
rt'lcff\\.1"1 c'f MlJl'Ti~)LltA'f1o-J
Q:
II>
co
~
'"
Graph the number on the following number line. Estimate if necessary.
-I
¥t.
II>
c..
'I I I I • I I" I I I I '
..
'"
'"
c
-5-4-3-2-1 0 1 2 3 4 5
:E
35.
-V2
36.
12
.!!1
37. 0.5
:c
38. -1
OJ
c.
...;
E
C
Find the opposite and the reciprocal of each number .
40. 3 (.\
v
\;
~,t'l'r(,.ct..t.
~
1
.2
41. ~
42.
-4
Which set of numbers best describes the values of each variable?
"'"
"
0I'rc;,S'T
OJ
UJ
C
ftC-I(·
,. •.
- ~
o
~
'"
II>
c..
@
43.
the number of stops N a commuter
44.
the high
45.
the average time per lap t it takes a race car to complete n laps
train makes on a certain day
H and low L for a certain stock during a period of n weeks
H/L ::. ft'" ~I'J'"
f.r
(-:'l, I
VI:::- t-J1({V(lfr\.- tvvY\Ar1O£..j
Name
Class
Date
Practice 1-2
...................
Simplify by combining
1. 6x
Algebraic Expressions
.............................
like terms.
+x
2.
4. 5i + 7j - 3i
3. -6a - 5a + b - 1
11(+3t-511'-f~-S-1
5. 16xy - 4xy
~O-- 30~L{1o
3(a - b)
7. 3(m - 2)+ m
-sa
4a
10. 4a - 5(a
+ 1)
4
-S-
F CL- sJ
(2
_
8.
6. 5x - 3~
9
9
+"§b \,3<>.; b
11. 2(m - n2) - 6(n + 3m)
I
--
">
+ 16x2 fl3X 2..'+5"xJ
2
3""'I ·b
~
+ 2" + t + t
12. x<x - y) + y(y - x)
_
<>.9. t
y... 2._
-ci
_
lengthexp,ession
s. Find theIi?surface
area the
of a,mfooe
cube with
13. The
<ep<e,ents
o<eoeach
of 0edge
cnhe length.
with edge, of
a. 3 inches
b. 1.5 meters
X I.A
+ 'j 2 -
)<. '-1
+-lj
~ 'f- z. - '2-)(~
1
Q;
'"
~
'"
E
'"
.;:
14. The expression 4.95 + O.07x models a household's montWy longdistance charges, where x represents the number of minutes of
long-distance calls during the month. Find the monthly charges for
---_.
4,Cf)"
73 minutes.
Evaluate each expression
.
15. 71_7(71_1~)
si + y. + 1;y. =
:I:
""
~"
0':
co
al
~
"
" a-b
0...
"'"'"
c
:c
.~
"c-
:D
o
E
c-
.2
""
1;;
-0
W
c
o'"
"
OJ
0...
19
~4.q'5"+'5.1/
:::./$/O.Dbj
4
16. a +//+1')
6 + 3a;:::.[IfJ
a = 5
17.
-? -
(3( + 2);
c'{/)-3{1)'1.-Z(t)?
(= 5
-l ~
18. ~1
P -- ~(Z'ftj)
5(i3 - -=p);
I{?-i 1<470
= 7 =c.0.!lJ
~
19. jk -+2(-3)
2 - -)4k +-(-3)2
- 1; k = -3
20. (p6a --.33a2 - 2a\a~LU 1
-m(2m
32.
4- ~'L + m2);m = -4
24. a2 + b ;a = 3,b = 4
23. -(Z.r.t
12b - 33(-3
+ b2;b
-2(1..)=/
26. -a + 3(d
- 2a);a = 2,d =-3
21.
0;
t-o.D7(73)
for the given value of the variable .
S+ 0 +- 3{S)
27.
9+(~
22.3 - 2n - +-~
5 + n2;~
= ,3
-=
13
25. 3c(3+-"- -:;a) - c;a = ~;c= -1
:::fzs-l
Write an expreSSIOn for the perimeter of the figure as the sum of the
lengths of its sides. Then simplify your answer.
IL
c b
b
a-b
c
la - 2c
_Ljt-3(-1):o-Y-l/
::EZ?J