1.
Find (
x
+ 7)(2
x
+1).
A.
2
x
2
+ 14
x
+ 7
B.
2
x
2
+ 15
x
+ 7
C.
2
x
2
+ 7
x
+ 7
D.
2
x
2
+ 9
x
+ 7
Hint
2.
Find the product of (4
n
+ 5) and (2
n
+ 3).
A.
8
n
2
+ 22
n
+ 15
B.
6
n
2
+ 18
n
+ 8
C.
6
n
2
+ 20
n
+ 12
D.
8
n
2
+ 22
n
- 15
Hint
3.
Mulitply (
b
+ 8)(
b
+ 3).
A.
b
2
+ 11
b
+ 11
B.
b
2
+ 10
b
+ 24
C.
b
2
+ 11
b
+ 24
D.
b
2
+ 11
b
+ 5
Hint
4.
Determine the product (2
x
+ 1)(
x
- 4).
A.
2
x
2
+ 8
x
- 4
B.
2
x
2
+ 6
x
- 4
C.
2
x
2
- 2
x
- 4
D.
2
x
2
- 7
x
- 4
Hint
5.
What is the area of the rectangle?
A.
p
2
-
p
- 2
B.
p
2
- 2
p
+ 2
C.
p
2
- 2
p
- 2
D.
p
2
-
p
+ 2
Hint