Name
_
Date
_
Review for Math 7 Quiz (Simplifying Expressions)
5IMPLIFY EACH EXPRESSION
(1)
·
( 4)
(-4)3
-(-5)2 + 11. 4
(2)
-43
(3)
-52 + 11 . 4
(5)
(3 . 2)2 + (-8)
(6)
-30+(42 -21)
EVALUATE EACH EXPRESSION FOR THE GIVEN VALUES OF THE VARIABLES.
(1)
4(2g-5)2 ,g = -1
(2)
C2
+8
C
I
= -4
C
(3)
y2 -2y+15,y =-5
(4)
(-3x)2 + 48 +(-4x),x
=3
\
Exponents
Name
_
Directions: Choose the correct letter answer to each question. Use the letters to decode
the hidden message. Remember to use the properties of exponents as you work.
3
16
5
5
1
15
14
8
6
10
13
16
1
16
16
1. Which choice is equivalent to 32 x 3-5?
1
E. 3-3
F. -;G.
H. All choices
3
27
15
8
8
14
16
12
2
2
7
9
4
14
9
14
2
13
16
2
11
9. Which choice is equivalent to ( ~){;,)
2
V.
U. 1
1
2
5
X.
1
2
7
Y.
33
. IS
. equrva
. l ent to (j2 ?.
2 . WhiIC h c h oice
A.
9
36
R.
3
Q.
i
2
4
1
R.
1
3
3
M.
.!_
J.
H.
3
3
1
: ?
27
9
7
2
E. 2
7
49
C. 49
J. All choices
5. Which choice is equivalent to 8-2 ? .
1
1
R. 64
S. -64 A.
T.
64
64
6. Which choice is equivalent to (42)(43)?
B. 46
L. 45
I. 64
P. 16
7. Which choice is equivalent to ( 3
U. 35
W. 36
I. 39
2
K. 31
I. 3-2
)3
12. Which choice is equivalent to
?
Y?
F. Y
5
G• y JO
P. 3-i
14. Which choice is equivalent to
P. 6-5
B. 66
0.
l
72
?
ff • N one
r
3
x T2 ?
T. -72
15. Which choice is equivalent to 1?
32
G. -2
3
L. 32-2
M. 3°
S. None
8. Which choice is equivalent to 4° x 4-1?
1
C. 0
D. 1
E.
F. 4
y1° + y5
13. Which choice is equivalent to 8-2 x 84 ?
P. -64
Q. 8-s
R. 8-6
s. 64
16. Which choice is equivalent to
4
f1?
11. Which choice is equivalent to 198 ?
C. 0
D. 1
E. 98
F. -1
E·
4. Which choice is equivalent to 7° ?
D. 1
32
2
2
4
3. Which choice is NOT equivalent to
s.
10. Which choice is equivalent to ( 3
1
C . .!_
2
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"Ah-Bach" Series
A.
1
4
T.
2
N. All choices
1)-1?
(2
s.
4