1.
Solve the equation
a
= (-5) + 13.
A.
-8
B.
-18
C.
8
D.
18
Hint
2.
Which number is
not
a factor of 315?
A.
5
B.
2
C.
3
D.
9
Hint
3.
Determine which expression is not a monomial.
A.
-14(-
st
)(3
u
)
B.
ab
C.
12
w
(
xy
+
z
)
D.
17
p
(-
qr
)
Hint
4.
Write the expression 4 · 4 · 4 · 4 · 4 using exponents.
A.
5
5
B.
5
4
C.
4
4
D.
4
5
Hint
5.
Solve
x
= 3
4
.
A.
x
= 81
B.
x
= 27
C.
x
= 64
D.
x
= 12
Hint
6.
Find the greatest common factor of 64
ab
3
c
2
and 48
a
2
b
2
c
.
A.
8
ab
3
c
B.
8
a
2
b
2
c
2
C.
16
ab
2
c
D.
16
abc
Hint
7.
Simplify
A.
B.
C.
D.
Hint
8.
Find 3
2
· 3
4
.
A.
3
6
B.
3
9
C.
3
2
D.
3
8
Hint
9.
How would 9.3 × 10
-7
be written in standard form?
A.
0.000000093
B.
930,000,000
C.
0.00000093
D.
93,000,000
Hint
10.
Factor 50
x
4
y
.
A.
2 · 5
2
·
x
4
·
y
B.
2 · 5 · 5 ·
x
·
x
·
x
·
y
C.
2 · 5
2
·
x
2
·
x
2
·
y
D.
2 · 5 · 5 ·
x
·
x
·
x
·
x
·
y
Hint
11.
The area of a rectangle can be written by the expression 24
x
4
+ 18
x
3
. Find a set of possible dimensions for this rectangle.
A.
3 by 8
x
3
+ 6
x
3
B.
24
x
3
by
x
+ 18
C.
2
x
4
by 12 + 9
x
D.
6
x
3
by 4
x
+ 3
Hint
12.
Four inches is what part of 1 yard? Write you answer as a fraction in simplest form.
A.
B.
C.
D.
Hint
13.
Find
A.
1
8
B.
x
3
C.
1
3
D.
x
8
Hint
14.
Write
as an expression using a negative exponent.
A.
-2
6
B.
C.
2
-6
D.
Hint
15.
Evaluate
x
-4
if
x
= 3.
A.
81
B.
C.
-81
D.
Hint
16.
Express 35,329 in scientific notation.
A.
3.5329 × 10
5
B.
35.329 × 10
3
C.
3.5329 × 10
-4
D.
3.5329 × 10
4
Hint