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
+ 9
x
+ 7
D.
2
x
2
+ 7
x
+ 7
Hint
2.
Determine the product (2
x
+ 1)(
x
- 4).
A.
2
x
2
+ 8
x
- 4
B.
2
x
2
- 2
x
- 4
C.
2
x
2
+ 6
x
- 4
D.
2
x
2
- 7
x
- 4
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
+
f
)(7 + 9) = 32
f
C.
(
f
+ 7)(
f
+ 9) =
f
2
+ 63
D.
(
f
+ 7)(
f
+ 9) =
f
2
+ 16
f
+ 63
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.(4
z
– 2)(4
z
– 1)
A.
16
z
2
– 2
B.
16
z
2
+ 12
z
– 2
C.
16
z
2
– 12
z
– 2
D.
16
z
2
– 12
z
+ 2
Hint