1.
Evaluate |-6
p
| if
p
= 2.
A.
0
B.
-12
C.
3
D.
12
Hint
2.
Choose the relation that is a function.
A.
B.
C.
D.
Hint
3.
Which function is not linear?
A.
f
(
x
) = 8
B.
f
(
x
) = 14
x
+ 7
C.
f
(
x
) = 2
x
3
D.
Hint
4.
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.
63°F
C.
111°F
D.
33°F
Hint
5.
Choose the graph of
y
< 2
x
.
A.
B.
C.
D.
Hint
6.
Simplify (18
q
3
r
)(2
q
r
4
).
A.
36
q
4
r
5
B.
36
q
3
r
5
C.
36
q
r
D.
36
q
3
r
4
Hint
7.
Simplify
A.
0
B.
C.
D.
Hint
8.
Find the axis of symmetry of the graph of
f
(
x
) = 4
x
2
-4
x
+ 4.
A.
x
=
B.
x
= 2
C.
x
= 4
D.
y
= 3
Hint
9.
Simplify
.
A.
B.
C.
D.
Hint
10.
Solve
A.
7
B.
C.
10
D.
Hint
11.
Evaluate
if
a
= 2,
b
= 4, and
c
= -1.
A.
2.4
B.
7
C.
1
D.
-14
Hint
12.
Graph the line through (2, 3) that is perpendicular to the line with equation 2
x
+ 5
y
= 1.
A.
B.
C.
D.
Hint
13.
Choose the line that has a slope of zero.
A.
B.
C.
D.
Hint
14.
What type of function is shown in the graph?
A.
piecewise function
B.
absolute value function
C.
step function
D.
constant function
Hint
15.
Which of the following is not a vertex of the figure formed by
A.
B.
(2, –1)
C.
(0, 2)
D.
(6, 4)
Hint
16.
What is true about a system of equations in three variables that has 1 solution?
A.
planes intersect in one point
B.
planes intersect in the same plane
C.
planes intersect in one line
D.
planes have no points in common
Hint
17.
Find the value of the determinant of
A.
–32
B.
64
C.
6
D.
2
Hint
18.
What is the 4 × 4 identity matrix?
A.
B.
C.
D.
Hint
19.
Which of the following parabolas opens right?
A.
B.
C.
D.
Hint
20.
When will it be true that
?
A.
only when
x
is an integer
B.
only when
x
is not an integer
C.
never
D.
always
Hint