1.
The sum or difference of monomials is called a ________.
A.
binomial
B.
polynomial
C.
constant
D.
trinomial
Hint
2.
Determine the sum.
A.
12
x
2
- 9
x
- 1
B.
12
x
2
+ 9
x
+ 1
C.
12
x
2
+ 9
x
- 1
D.
12
x
2
- 9
x
+ 1
Hint
3.
Simplify (4
x
2
- 3
x
- 2) - (7
x
2
+ 4
x
+ 3).
A.
-3
x
2
- 7
x
- 5
B.
-3
x
2
+
x
- 5
C.
-3
x
2
- 7
x
+ 1
D.
3
x
2
- 7
x
- 5
Hint
4.
Simplify -
a
(
a
3
- 3
a
2
+
a
).
A.
-
a
3
+ 3
a
2
-
a
B.
-
a
4
- 3
a
3
-
a
2
C.
-
a
4
+ 3
a
3
-
a
2
D.
-
a
4
+ 3
a
3
Hint
5.
Find the degree of 7
x
2
y
2
z
.
A.
7
B.
6
C.
5
D.
4
Hint
6.
Find the sum (8
x
2
- 4
x
– 1) + (
x
2
- 5
x
+ 3).
A.
9
x
2
- 9
x
– 4
B.
9
x
2
- 9
x
+ 2
C.
9
x
4
- 9
x
2
+ 2
D.
9
x
2
-
x
+ 2
Hint
7.
Find the difference (14
x
2
+ 3
x
+ 11) – (10
x
2
+ 5).
A.
24
x
2
+ 3
x
+ 6
B.
4
x
2
+ 3
x
+ 6
C.
24
x
2
+ 3
x
+ 16
D.
4
x
2
+ 3
x
+ 16
Hint
8.
Find 4
x
(
x
2
+ 5
x
y
– 9
y
2
).
A.
5
x
3
+ 9
x
2
y
– 5
x
y
2
B.
4
x
3
+ 20
x
2
y
– 9
y
2
C.
4
x
3
+ 20
x
2
y
– 36
x
y
2
D.
4
x
3
+ 5
x
y
– 9
y
2
Hint
9.
Determine whether the graph represents a linear or nonlinear function. Explain.
A.
nonlinear, the graph is an exponential function
B.
linear, the graph is a straight line
C.
nonlinear, the graph is a cubic function
D.
nonlinear, the graph is an inverse variation function
Hint
10.
Which rule describes a linear function?
A.
y
+ 7 =
B.
y
= (
x
– 5)
x
C.
y
=
- 7
D.
y
= 3
x
(
x
2
+ 1)
Hint
11.
Graph
y
= 4
x
3
.
A.
B.
C.
D.
Hint
12.
Graph
y
=
x
3
- 3.
A.
B.
C.
D.
Hint