1.
Simplify 3(2
a
+
b
) + 6(
a
- 2
b
).
A.
12
a
+
b
B.
12
a
+ 9
b
C.
12
a
+ 15
b
D.
12
a
- 9
b
Hint
2.
Solve 18 +
a
= 36.
A.
-18
B.
-2
C.
54
D.
18
Hint
3.
Evaluate |-6
p
| if
p
= 2.
A.
-12
B.
3
C.
0
D.
12
Hint
4.
Solve |4
x
+ 2| + 6 = 0.
A.
-2
B.
1
C.
2
D.
Hint
5.
Solve 4
x
> 28.
A.
{
x
|
x
> 7}
B.
{
x
|
x
> 28}
C.
{
x
|
x
< 4}
D.
{
x
|
x
< 7}
Hint
6.
The temperature
f
(
x
) of water in a lake in degrees Fahrenheit is estimated by the function shown below, where
x
is the depth in feet of the water. What would be the temperature of water 30 feet below the surface?
A.
71.25°F
B.
33°F
C.
111°F
D.
63°F
Hint
7.
Describe the line that is graphed below.
A.
passes through the point (3,-2) with a slope of
B.
passes through the point (3,-2) with a slope of
C.
passes through the point (3,-2) with a slope of
D.
passes through the point (3,2) with a slope of
Hint
8.
Choose the scatter plot that has a prediction equation with a negative slope.
A.
B.
C.
D.
Hint
9.
The table below shows the land-speed records to the nearest mile per hour. Draw a scatter plot for the data and use it to predict the approximate land-speed record for the year 2005. Assume the rate of increase of speed records remains the same.
A.
600 mph
B.
980 mph
C.
700 mph
D.
830 mph
Hint
10.
Which equation describes graph A?
A.
y
= |
x
- 1 |
B.
y
= | 2.25
x
|
C.
y
= 2.25
x
- 1
D.
y
= 2.25|
x
| - 1
Hint
11.
Choose the line whose slope is undefined.
A.
B.
C.
D.
Hint
12.
Solve the equation |
b
– 7 | + 5 = 3.
A.
B.
5
C.
{5, 9}
D.
9
Hint
13.
Graph the solution set to the inequality 5
x
– 3 < 3
x
+ 7.
A.
B.
C.
D.
Hint
14.
Solve 6
z
> 39.
A.
B.
C.
{
z
|
z
> 234}
D.
{
z
|
z
< 234}
Hint
15.
Solve the inequality | 6
x
+ 2 | < 5.
A.
B.
C.
D.
Hint
16.
Consider the formula
F
(
c
) = 1.8
c
+ 32, where
c
is the temperature in degrees Celsius and
F
(
c
) is the temperature in degrees Fahrenheit. If it is 0°
C
at the beginning of the day, and it is 11° C at noon, what was the change in temperature in degrees Fahrenheit?
A.
-12.2
B.
19.8
C.
11
D.
51.8
Hint
17.
Find the slope of the line below.
A.
B.
C.
D.
Hint
18.
What is the slope of the line with equation
A.
-7
B.
C.
D.
7
Hint
19.
Which graph shows the inequality 5
x
– 2
y
8?
A.
B.
C.
D.
Hint
20.
What is the inequality represented in the graph?
A.
3
x
+ 2
y
0
B.
3
x
– 2
y
0
C.
3
x
+ 2
y
0
D.
3
x
– 2
y
0
Hint