Unit Test #87

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 common difference of the arithmetic sequence?

3, 10, 17, 24, ...

A. 3

B. -7

C. 10

D. 7

Answer 1:

 

Q2:

 

The first four terms of an arithmetic sequence are 8, 14, 20 and 26.

What is the 12th term?

A. 12

B. 74

C. 68

D. 80

Answer 2:

 

Q3:

 

The first term of an arithmetic sequence is 3 and the common difference is 5.

What is the 25th term?

A. 123

B. 75

C. 118

D. 128

Answer 3:

 

Q4:

 

For the sequence 100, 95, 90, ... which term would 0 be?

A. 19th

B. 20th term

C. 21st term

D. 25th term

 

Answer 4:

 

Q5:

 

What is the sum of the first 10 terms of the sequence above?

A .770

B. 1550

C. 1540

D. 775

Answer 5: