1.
Add (
x
2
+ 2
x
+ 5) + (3
x
2
- 3
x
+1).
A.
2
x
2
+
x
+ 6
B.
4
x
4
-
x
2
+ 6
C.
3
x
2
-
x
+ 6
D.
4
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 (-5
x
+ 6) - (-2
x
- 7).
A.
-3
x
+ 1
B.
-7
x
- 1
C.
-3
x
+ 13
D.
-7
x
- 13
Hint
4.
Find the difference
(4 - 7
n
2
) - (-
n
+ 2
n
2
- 1).
A.
-9
n
2
+
n
+ 5
B.
-9
n
2
+
n
+ 3
C.
-5
n
2
-
n
+ 5
D.
-5
n
2
-
n
+ 3
Hint
5.
Write an expression to represent the area of the rectangle.
A.
6
d
6
- 12
d
2
B.
6
d
5
+ 12
d
2
C.
4
d
3
+6
d
2
- 4
D.
6
d
5
- 12
d
2
Hint
6.
Classify the expression
A.
trinomial
B.
binomial
C.
monomial
D.
not a polynomial
Hint
7.
Find the sum (7
x
2
+ 13
x
y
+ 5
y
2
) + (3
x
2
- 2
y
2
).
A.
10
x
4
+ 13
x
y
+ 3
y
4
B.
10
x
2
+ 13
x
y
+ 7
y
2
C.
13
x
2
y
2
+ 13
x
y
D.
10
x
2
+ 13
x
y
+ 3
y
2
Hint
8.
Find –3
x
(
x
2
+ 2
x
+ 1).
A.
-3
x
3
- 6
x
2
- 3
x
B.
-3
x
3
+ 6
x
2
+ 3
x
C.
-3
x
3
- 6
x
2
+ 1
D.
-3
x
3
+ 2
x
+ 1
Hint
9.
Select the table that represents a linear function.
A.
B.
C.
D.
Hint
10.
Which rule describes a linear function?
A.
4
x
y
= 16
B.
x
2
+
y
2
= 1
C.
D.
2
x
+ 3
y
= -10
Hint
11.
Graph
y
= -
x
2
+ 4.
A.
B.
C.
D.
Hint
12.
Graph
y
= 4
x
3
.
A.
B.
C.
D.
Hint