1.
Find (4
y
- 5)(3
y
- 7).
A.
12
y
2
+ 35
B.
12
y
2
– 13
y
+ 35
C.
12
y
2
– 43
y
- 35
D.
12
y
2
– 43
y
+ 35
Hint
2.
Find the product of (4
n
+ 5) and (2
n
+ 3).
A.
6
n
2
+ 18
n
+ 8
B.
6
n
2
+ 20
n
+ 12
C.
8
n
2
+ 22
n
- 15
D.
8
n
2
+ 22
n
+ 15
Hint
3.
Mulitply (
b
+ 8)(
b
+ 3).
A.
b
2
+ 11
b
+ 11
B.
b
2
+ 11
b
+ 24
C.
b
2
+ 10
b
+ 24
D.
b
2
+ 11
b
+ 5
Hint
4.
Determine the product (2
x
+ 1)(
x
- 4).
A.
2
x
2
+ 6
x
- 4
B.
2
x
2
- 2
x
- 4
C.
2
x
2
- 7
x
- 4
D.
2
x
2
+ 8
x
- 4
Hint
5.
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
– 16
f
+ 63
D.
(
f
+ 7)(
f
+ 9) =
f
2
+ 63
Hint