1.
Find the sum (7
a
2
-4) + (-2
a
2
+
a
+ 1).
A.
5
a
2
+
a
- 3
B.
9
a
2
+
a
- 5
C.
-5
a
2
-
a
+ 5
D.
-9
a
2
+
a
- 5
Hint
2.
What is (-4
x
3
+ 3
x
2
- 5) + (
x
2
- 5
x
+ 6)?
A.
-4
x
3
+ 4
x
2
- 5
x
+ 1
B.
-3
x
2
- 2
x
2
+ 1
C.
-4
x
3
+ 3
x
2
D.
4
x
2
+ 1
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
+ 3
C.
-5
n
2
-
n
+ 5
D.
-9
n
2
+
n
+ 5
Hint
4.
Find the degree of 7
x
2
y
2
z
.
A.
4
B.
6
C.
5
D.
7
Hint
5.
Find the degree of the polynomial
.
A.
6
B.
7
C.
4
D.
5
Hint
6.
A rectangle has length 10
x
+ 3 and width 6
x
+ 1. What is the difference between the length and the width of the rectangle?
A.
4
x
+ 2
B.
4
x
+ 4
C.
16
x
+ 4
D.
4
x
Hint
7.
Find –3
x
(
x
2
+ 2
x
+ 1).
A.
-3
x
3
+ 6
x
2
+ 3
x
B.
-3
x
3
+ 2
x
+ 1
C.
-3
x
3
- 6
x
2
+ 1
D.
-3
x
3
- 6
x
2
- 3
x
Hint
8.
A rectangle is 50 centimeters longer than twice its width. If the perimeter of the rectangle is 160 centimeters, what are the dimensions of the rectangle?
A.
70 cm by 10 cm
B.
50 cm by 30 cm
C.
60 cm by 20 cm
D.
40 cm by 40 cm
Hint
9.
Select the table that represents a nonlinear function.
A.
B.
C.
D.
Hint
10.
Which rule describes a linear function?
A.
y
= 3
x
(
x
2
+ 1)
B.
y
= (
x
– 5)
x
C.
y
+ 7 =
D.
y
=
- 7
Hint
11.
Graph
y
=
x
3
- 3.
A.
B.
C.
D.
Hint
12.
Graph
y
= -
x
2
.
A.
B.
C.
D.
Hint