Binomial Expansions Test

Unit Test #85

Select your answers to the following 5 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

What is the first term in the expansion of

(2x + 1)8?

A. 256

B. 256x8

C. x8

D. 16x8
Answer 1:

 

Q2:

 

 If (2x + 3)8 was fully expanded and simplified, how many terms would there be?

A. 16

B. 4

C. 8

D. 9
Answer 2:

 

Q3:

 

 What is the constant term in the expansion of (2x + 3)8?

A. 512

B. 24

C. 6561

D. 256
Answer 3:

 

Q4:

 

What is the fifth term in the expansion of

(2x + 3)8?

A. 90720x4

B. 90720x5

C. 5670x4

D. 5670x5
Answer 4:

 

Q5:

 

What is the coefficient of the third term of

(2x + 3)8?

A. 16128x6

B.16128

C. 16128x2

D. 1792
Answer 5: