1.
If you use Pascal's triangle to expand the binomial (
x
+
y
)
4
, which row of coefficients do you use?
A.
1 4 6 4 1
B.
1 3 6 3 1
C.
1 5 10 5 1
D.
1 2 3 2 1
Hint
2.
Find the sixth term of (2
a
+
b
)
7
.
A.
14
ab
6
B.
84
a
5
b
2
C.
14
a
3
b
4
D.
84
a
2
b
5
Hint
3.
Which row of Pascal's Triangle would be used to expand the binomial
(
a
+
b
)
8
?
A.
1 9 36 84 126 126 84 36 9 1
B.
1 8 28 56 70 56 28 8 1
C.
1 8 27 64 125 64 27 8 1
D.
1 9 25 49 81 49 25 9 1
Hint
4.
Use Pascal's Triangle or the Binomial Theorem to expand
(3
x
- 2
y
)
5
.
A.
B.
C.
D.
Hint
5.
Find the sixth term of
A.
42
h
2
k
5
B.
21
h
2
k
5
C.
-42
h
2
k
5
D.
-21
h
2
k
5
Hint