Unit Test #33

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:

 

How many terms are there in the expansion of

(2x + 1)9?

A. 8

B. 9

C. 10

D. 11

Answer 1:

 

 

Q2:

 

What is the first term in the expansion of

(2x + 1)9?

A. 2x9

B. 18x9

C. 512x

D. 512x9

Answer 2:

 

 

Q3:

 

What is the final term in the expansion of

(2x + 1)9?

A. 1

B. -1

C. 512

D. 9

Answer 3:

 

 

Q4:

 

What is the 6th term in the expansion of

(2x + 1)9?

A. 5376x6

B. 4032x5

C. 2016x4

D. 672x3

Answer 4:

 

 

Q5:

 

If x = 0.01 use the binomial theorem to evaluate

(2x + 1)9 to 5 significant figures.

A. 1.195

B. 1.1951

C. 1.1950

D. 1.1952

Answer 5: