1.
What is the value of 9 - [12 + (15 ÷ 3)]?
A.
-8
B.
0
C.
26
D.
2
Hint
2.
Find the value of
A.
-56
B.
14
C.
5
D.
-14
Hint
3.
Name the sets of numbers to which the value of -16 ÷ 50 belongs.
A.
reals (R), rationals (Q)
B.
reals (R), rationals (Q), integers (Z), whole numbers (W)
C.
reals (R), rationals (Q), integers (Z)
D.
reals (R), irrationals (I)
Hint
4.
Name the multiplicative inverse of 5.
A.
20
B.
50
C.
-5
D.
0.2
Hint
5.
Evaluate 1.5 + |2
x
- 4| if
x
= -3.
A.
-11.5
B.
3.5
C.
11.5
D.
-0.5
Hint
6.
Solve 4
x
> 28.
A.
{
x
|
x
< 7}
B.
{
x
|
x
< 4}
C.
{
x
|
x
> 7}
D.
{
x
|
x
> 28}
Hint
7.
Solve 2(
y
- 9) < 6.
A.
{
y
|
y
< 12}
B.
{
y
|
y
> -6}
C.
{
y
|
y
> 12}
D.
{
y
|
y
< 6}
Hint
8.
Graph the solution set of |3
y
+ 9| > 12.
A.
B.
C.
D.
Hint
9.
Solve
x
+ 4 > 1 or
x
- 7 < 6.
A.
{
x
|
x
> -3}
B.
{
x
|
x
< 13}
C.
all reals
D.
{
x
|
x
< -3 or
x
> 13}
Hint
10.
Solve the equation
x
– 82 = 143
A.
225
B.
C.
61
D.
-61
Hint
11.
Solve the equation
A.
B.
9
C.
-1
D.
20
Hint
12.
Solve the equation | 4
k
+ 6 | = 5
k
+ 3.
A.
-1
B.
C.
{-1, 3}
D.
3
Hint