1.
Find (
x
+ 7)(2
x
+1).
A.
2
x
2
+ 7
x
+ 7
B.
2
x
2
+ 15
x
+ 7
C.
2
x
2
+ 9
x
+ 7
D.
2
x
2
+ 14
x
+ 7
Hint
2.
Find the product of (4
n
+ 5) and (2
n
+ 3).
A.
6
n
2
+ 18
n
+ 8
B.
8
n
2
+ 22
n
- 15
C.
6
n
2
+ 20
n
+ 12
D.
8
n
2
+ 22
n
+ 15
Hint
3.
Use the diagram to write and expand an expression for the area.
A.
(
f
+ 7)(
f
+ 9) =
f
2
+ 16
f
+ 63
B.
(
f
+ 7)(
f
+ 9) =
f
2
– 16
f
+ 63
C.
(
f
+ 7)(
f
+ 9) =
f
2
+ 63
D.
(
f
+
f
)(7 + 9) = 32
f
Hint
4.
Multiply the pair of binomials.(
y
+ 2)(
y
– 6)
A.
y
2
– 4
y
+ 12
B.
y
2
– 4
y
– 12
C.
y
2
+ 4
y
– 12
D.
y
2
+ 4
y
+ 12
Hint
5.
Multiply the pair of binomials.(8
g
+ 2)(
g
+ 5)
A.
8
g
2
+ 7
g
+ 10
B.
8
g
2
+ 10
g
+ 42
C.
8
g
2
+ 50
g
+ 10
D.
8
g
2
+ 42
g
+ 10
Hint