1.
Find (
x
+ 3)(
x
- 5).
A.
x
2
+ 2
x
- 15
B.
x
2
- 15
C.
x
2
- 2
x
- 15
D.
x
2
+ 8
x
- 15
Hint
2.
Find (
x
+ 7)(2
x
+1).
A.
2
x
2
+ 9
x
+ 7
B.
2
x
2
+ 15
x
+ 7
C.
2
x
2
+ 14
x
+ 7
D.
2
x
2
+ 7
x
+ 7
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
+ 63
C.
(
f
+
f
)(7 + 9) = 32
f
D.
(
f
+ 7)(
f
+ 9) =
f
2
– 16
f
+ 63
Hint
4.
Multiply the pair of binomials.(8
g
+ 2)(
g
+ 5)
A.
8
g
2
+ 7
g
+ 10
B.
8
g
2
+ 50
g
+ 10
C.
8
g
2
+ 10
g
+ 42
D.
8
g
2
+ 42
g
+ 10
Hint
5.
Multiply the pair of binomials.(4
z
– 2)(4
z
– 1)
A.
16
z
2
+ 12
z
– 2
B.
16
z
2
– 12
z
– 2
C.
16
z
2
– 2
D.
16
z
2
– 12
z
+ 2
Hint