1.
Find (
x
+ 7)(2
x
+1).
A.
2
x
2
+ 9
x
+ 7
B.
2
x
2
+ 14
x
+ 7
C.
2
x
2
+ 15
x
+ 7
D.
2
x
2
+ 7
x
+ 7
Hint
2.
Mulitply (
b
+ 8)(
b
+ 3).
A.
b
2
+ 11
b
+ 24
B.
b
2
+ 10
b
+ 24
C.
b
2
+ 11
b
+ 11
D.
b
2
+ 11
b
+ 5
Hint
3.
Determine the product (2
x
+ 1)(
x
- 4).
A.
2
x
2
+ 6
x
- 4
B.
2
x
2
+ 8
x
- 4
C.
2
x
2
- 2
x
- 4
D.
2
x
2
- 7
x
- 4
Hint
4.
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
5.
Multiply the pair of binomials.(8
g
+ 2)(
g
+ 5)
A.
8
g
2
+ 10
g
+ 42
B.
8
g
2
+ 50
g
+ 10
C.
8
g
2
+ 7
g
+ 10
D.
8
g
2
+ 42
g
+ 10
Hint