1.
Which expression is a trinomial?
A.
4
x
2
- 5
B.
x
2
+ 6
x
+ 8
C.
3
x
3
D.
ab
2
+
ab
+
b
2
-
a
Hint
2.
Find the degree of
m
3
+ 3
m
2
n
2
+ 6
mn
4
+ 3
mn
+
n
3
.
A.
4
B.
3
C.
5
D.
6
Hint
3.
Find the sum (7
a
2
-4) + (-2
a
2
+
a
+ 1).
A.
9
a
2
+
a
- 5
B.
-9
a
2
+
a
- 5
C.
-5
a
2
-
a
+ 5
D.
5
a
2
+
a
- 3
Hint
4.
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.
-4
x
3
+ 3
x
2
C.
-3
x
2
- 2
x
2
+ 1
D.
4
x
2
+ 1
Hint
5.
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
6.
Write an expression to represent the area of the rectangle.
A.
6
d
5
- 12
d
2
B.
6
d
6
- 12
d
2
C.
4
d
3
+6
d
2
- 4
D.
6
d
5
+ 12
d
2
Hint
7.
Find the difference (10
x
+ 8) – (5
x
+ 4).
A.
5
x
+ 4
B.
15
x
+ 12
C.
5
x
+ 12
D.
15
x
+ 4
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.
60 cm by 20 cm
B.
50 cm by 30 cm
C.
70 cm by 10 cm
D.
40 cm by 40 cm
Hint
9.
Select the table that represents a linear function.
A.
B.
C.
D.
Hint
10.
Which rule describes a linear function?
A.
y
=
- 7
B.
y
= 3
x
(
x
2
+ 1)
C.
y
= (
x
– 5)
x
D.
y
+ 7 =
Hint
11.
Graph
y
=
x
2
+ 3.
A.
B.
C.
D.
Hint
12.
Graph
y
= -5
x
2
- 2.
A.
B.
C.
D.
Hint