1.
Add (
x
2
+ 2
x
+ 5) + (3
x
2
- 3
x
+1).
A.
3
x
2
-
x
+ 6
B.
4
x
4
-
x
2
+ 6
C.
4
x
2
-
x
+ 6
D.
2
x
2
+
x
+ 6
Hint
2.
Determine the degree of the polynomial 2
x
3
y
2
z
+ 3
xy
2
z
3
- 4
x
3
y
3
z
.
A.
9
B.
6
C.
7
D.
8
Hint
3.
Find the difference
(4 - 7
n
2
) - (-
n
+ 2
n
2
- 1).
A.
-5
n
2
-
n
+ 3
B.
-9
n
2
+
n
+ 5
C.
-9
n
2
+
n
+ 3
D.
-5
n
2
-
n
+ 5
Hint
4.
Multiply
x
3
(
x
4
- 2).
A.
x
7
- 2
x
3
B.
x
12
- 2
x
3
C.
x
12
- 2
D.
x
7
- 2
Hint
5.
Simplify -
a
(
a
3
- 3
a
2
+
a
).
A.
-
a
4
+ 3
a
3
-
a
2
B.
-
a
4
- 3
a
3
-
a
2
C.
-
a
4
+ 3
a
3
D.
-
a
3
+ 3
a
2
-
a
Hint
6.
Classify the expression
A.
monomial
B.
trinomial
C.
not a polynomial
D.
binomial
Hint
7.
Find a formula for the perimeter of the triangle.
A.
18
x
+ 8
B.
18
x
– 4
C.
18
x
3
- 4
D.
18
x
+ 4
Hint
8.
Find the difference (14
x
2
+ 3
x
+ 11) – (10
x
2
+ 5).
A.
24
x
2
+ 3
x
+ 16
B.
24
x
2
+ 3
x
+ 6
C.
4
x
2
+ 3
x
+ 16
D.
4
x
2
+ 3
x
+ 6
Hint
9.
Select the table that represents a nonlinear function.
A.
B.
C.
D.
Hint
10.
Which rule describes a linear function?
A.
2
x
+ 3
y
= -10
B.
C.
x
2
+
y
2
= 1
D.
4
x
y
= 16
Hint
11.
Graph
y
=
x
3
- 3.
A.
B.
C.
D.
Hint
12.
Graph
y
= -5
x
2
- 2.
A.
B.
C.
D.
Hint