1.
Model the monomial 4
x
2
A.
B.
C.
D.
Hint
2.
Simplify the expression 2
a
+ 7
b
+ 12
a
+ 3
b
and then evaluate if
a
= 2 and
b
= -2.
A.
10
a
+ 14
b
; -8
B.
14
a
+ 8
b
; 12
C.
14
a
+ 10
b
; 8
D.
9
a
+ 15
b
; -12
Hint
3.
Find the following sum.
A.
3
x
2
+ 3
x
+ 4
B.
3
x
2
+ 3
x
- 4
C.
3
x
2
- 3
x
- 4
D.
3
x
2
- 3
x
+ 4
Hint
4.
What is the opposite of -4
x
?
A.
-4
B.
4
x
C.
4
D.
-4
x
Hint
5.
Find
a
7
·
a
4
A.
a
3
B.
(2
a
)
3
C.
a
11
D.
(2
a
)
11
Hint
6.
A rectangle is 7 feet longer than it is wide. If
x
represents the width, find the area of the rectangle.
A.
8
x
square feet
B.
x
2
- 7
x
square feet
C.
x
2
+ 7
x
square feet
D.
7 square feet
Hint
7.
Add 2
x
2
+ 6
x
+ 3 and 5
x
2
+
x
+ 7.
A.
7
x
2
+ 7
x
+ 3
B.
7
x
4
+ 7
x
2
+ 10
C.
7
x
2
+ 7
x
+ 10
D.
7
x
2
+ 5
x
+ 10
Hint
8.
Find (-16
x
2
– 10
x
– 2) – (-15
x
2
– 12
x
– 7).
A.
x
2
– 2
x
– 5
B.
-
x
2
+ 2
x
+ 5
C.
-31
x
2
– 22
x
– 9
D.
-
x
2
– 22
x
– 9
Hint
9.
Write an expression for the area of a rectangle whose width is 13 centimeters shorter than its length.
A.
2
x
2
– 13
x
cm
2
B.
x
2
– 13 cm
2
C.
x
2
– 13
x
cm
2
D.
2
x
– 13 cm
2
Hint
10.
Which graph represents a linear function?
A.
B.
C.
D.
Hint
11.
Which situation represents a linear function?
A.
The volume
V
of a cube with side
s
.
B.
The perimeter
P
of a regular pentagon with side
s
.
C.
The area
A
of a circle with radius
r
.
D.
The area
A
of a square with side
s
.
Hint
12.
Find the graph of
y
= 2
x
2
.
A.
B.
C.
D.
Hint
13.
Find the graph of
y
= 3
x
2
- 1.
A.
B.
C.
D.
Hint
14.
Find
.
A.
8
5
B.
8
15
C.
8
2
D.
1
2
Hint