1
Created by Boundless
What is (x+5)4 in expanded form?
A
x4+625
B
x4+20x3+150x2
C
x4+20x3+150x2+500x+625
D
x4+20x3
2
Created by Boundless
What is (2x+3)3 in expanded form?
A
8x3+36x2
B
8x3+36x2+54x+27
C
6x+9
D
8x3+27
3
Created by Boundless
What is the coefficient of x3 in the expansion of (2x+4)8?
A
356,962
B
112
C
458,752
D
4
56
Created by Boundless
Use factorials and Pascal's Triangle to find the coefficient of x5y4 in (x+y)9.
A
9
B
84
C
36
D
126
5
Created by Boundless
Use factorials and Pascal's Triangle to find the coefficient of a11b4 in (a+b)15.
A
1365
B
6435
C
3003
D
5005
6
Created by Boundless
What is the 3rd term in the binomial expansion of (3x+y)5?
A
270x3y2
B
405x4y
C
90x2y3
D
15xy4
7
Created by Boundless
What is the 5th term in the binomial expansion of (2a+5b)8?
A
5,120a7b
B
224,000a5b3
C
700,000a4b4
D
1,400,000a3b5
8
Created by Boundless
How many subsets can be made from the elements in the set {1,2,3,4,5}?
A
25
B
10
C
64
D
32
9
Created by Boundless
How many subsets can be made from a larger set containing 10 elements?
A
200
B
100
C
20
D
1024