1.
Which expression is a trinomial?
A.
3
x
3
B.
ab
2
+
ab
+
b
2
-
a
C.
x
2
+ 6
x
+ 8
D.
4
x
2
- 5
Hint
2.
What specific type of polynomial is 3
x
3
- 2
x
2
?
A.
trinomial
B.
monomial
C.
binomial
D.
constant
Hint
3.
Find the sum (7
a
2
-4) + (-2
a
2
+
a
+ 1).
A.
-9
a
2
+
a
- 5
B.
-5
a
2
-
a
+ 5
C.
5
a
2
+
a
- 3
D.
9
a
2
+
a
- 5
Hint
4.
Find the sum (6
x
3
- 10) + (2
x
3
+ 5
x
+ 7). Then evaluate if
x
= -2.
A.
8
x
3
-5
x
- 3; -25
B.
4
x
3
+ 5
x
+ 3; -39
C.
8
x
3
+ 5
x
- 3; -77
D.
8
x
3
-5
x
+7; -47
Hint
5.
Find the difference
(4 - 7
n
2
) - (-
n
+ 2
n
2
- 1).
A.
-9
n
2
+
n
+ 3
B.
-5
n
2
-
n
+ 3
C.
-5
n
2
-
n
+ 5
D.
-9
n
2
+
n
+ 5
Hint
6.
Multiply
x
3
(
x
4
- 2).
A.
x
7
- 2
B.
x
7
- 2
x
3
C.
x
12
- 2
D.
x
12
- 2
x
3
Hint
7.
Simplify -
a
(
a
3
- 3
a
2
+
a
).
A.
-
a
4
- 3
a
3
-
a
2
B.
-
a
4
+ 3
a
3
C.
-
a
3
+ 3
a
2
-
a
D.
-
a
4
+ 3
a
3
-
a
2
Hint
8.
Find the difference (10
x
+ 8) – (5
x
+ 4).
A.
5
x
+ 4
B.
15
x
+ 4
C.
15
x
+ 12
D.
5
x
+ 12
Hint
9.
Determine whether the equation
y
=
is linear or nonlinear. Explain.
A.
nonlinear, the graph is an exponential function
B.
nonlinear, the graph is an inverse variation function
C.
nonlinear, the graph is a cubic function
D.
linear, the graph is a straight line
Hint
10.
Select the table that represents a linear function.
A.
B.
C.
D.
Hint
11.
Graph
y
=
x
3
- 3.
A.
B.
C.
D.
Hint
12.
Graph
y
=
x
3
.
A.
B.
C.
D.
Hint