1.
Name the property illustrated by (3
c
· 6)2 = 3
c
(6 · 2).
A.
commutative property of multiplication
B.
associative property of multiplication
C.
associative property of addition
D.
commutative property of addition
Hint
2.
Write an algebraic expression to represent ''the sum of 6 and three times a number squared.''
A.
6 + 3
x
B.
6(3
x
)
2
C.
6 + 3
x
2
D.
6(3
x
)
Hint
3.
Solve 7(2
k
+ 4) - (3
k
+ 1) = 49.
A.
1.8
B.
1
C.
4
D.
2
Hint
4.
Solve 4
x
> 28.
A.
{
x
|
x
> 7}
B.
{
x
|
x
< 4}
C.
{
x
|
x
< 7}
D.
{
x
|
x
> 28}
Hint
5.
Solve
A.
B.
C.
D.
Hint
6.
Name the sets of numbers to which
belongs.
A.
Naturals, Wholes, Integers, Rationals, and Reals
B.
Rationals and Reals
C.
Integers, Rationals, and Reals
D.
Irrationals and Reals
Hint
7.
Solve the equation | 3
a
+ 2 | - 2 = 4
a
+ 1.
A.
B.
C.
D.
-1
Hint
8.
Solve the inequality | 5
x
+ 2 |
12.
A.
B.
C.
D.
Hint
9.
Find
Write the difference in simplest form.
A.
B.
C.
D.
Hint
10.
Evaluate 10
-5
.
A.
B.
-100,000
C.
D.
-10,000
Hint