1.
Find (
x
+ 3)(
x
- 5).
A.
x
2
+ 2
x
- 15
B.
x
2
- 15
C.
x
2
+ 8
x
- 15
D.
x
2
- 2
x
- 15
Hint
2.
Find (4
y
- 5)(3
y
- 7).
A.
12
y
2
– 43
y
- 35
B.
12
y
2
– 13
y
+ 35
C.
12
y
2
– 43
y
+ 35
D.
12
y
2
+ 35
Hint
3.
Mulitply (
b
+ 8)(
b
+ 3).
A.
b
2
+ 11
b
+ 11
B.
b
2
+ 11
b
+ 24
C.
b
2
+ 11
b
+ 5
D.
b
2
+ 10
b
+ 24
Hint
4.
Use the diagram to write and expand an expression for the area.
A.
(
f
+
f
)(7 + 9) = 32
f
B.
(
f
+ 7)(
f
+ 9) =
f
2
+ 16
f
+ 63
C.
(
f
+ 7)(
f
+ 9) =
f
2
– 16
f
+ 63
D.
(
f
+ 7)(
f
+ 9) =
f
2
+ 63
Hint
5.
Multiply the pair of binomials.(8
g
+ 2)(
g
+ 5)
A.
8
g
2
+ 7
g
+ 10
B.
8
g
2
+ 42
g
+ 10
C.
8
g
2
+ 50
g
+ 10
D.
8
g
2
+ 10
g
+ 42
Hint