Unit Test #14

Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

Is the following sequence an arithmetic sequence?

1, 5, 13, 29, ...

A. Yes
B. No

Answer 1:

 

 

Q2:

 

What is the common difference of the arithmetic sequence?

3, 10, 17, 24, ...

A. 3
B. -7
C. 10
D. 7

Answer 2:

 

 

Q3:

 

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 3:

 

 

Q4:

 

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 4:

 

 

Q5:

 

How many matches would there be in the 7th pattern?

A. 19
B. 25
C. 22
D. 23

Answer 5:

 

 

Q6:

 

How many matches would there be in the 100th pattern in the sequence shown above? A. 297
B. 301
C. 304
D. 300

Answer 6:

 

 

Q7:

 

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

A. 19th
B. 20th term
C. 21st term
D. 25th term

 

Answer 7:

 

 

Q8:

 

For the sequence 4, 6, 8, 10, 12, 14, ...

if t n = 8, which term is t n+2?

A. 6
B. 8
C. 10
D. 12

Answer 8:

 

 

Q9:

 

For the arithmetic sequence 0.5, -0.5, -1.5, -2.5, ...

What is the common difference?

A. -0.5
B. -2
C. -1
D. 1

Answer 9:

 

 

Q10:

 

What is the 10th term of the sequence above? A. -8
B. -7.5
C. -8.5
D. 3.5

Answer 10: