Try the following questions dealing with geometric sequences and series. You'll need a calculator and a pencil & paper.
The formulas are reproduced below for your convenience. Send your answers when you're completely finished the quiz, and your result will be returned to you within 24 hours.

Geometric Sequences & Series Quiz

1: In the sequence 3, 15, 75, ..., state the value of the common ratio r:  

2: In the sequence  12, 6, 3, ..., state the value of the common ratio r:    

3: In the sequence  4, -16, 64, ..., state the value of the common ratio r:    

4: In the sequence  36, 18, 9, 4.5, ..., state the value of  n  for the term 9:    

5: In the sequence  12, 3, __, 0.1875, ..., state the missing term:    

6: Given the sequence defined by  tn = 4(2)n, state t3:  

7: Given the sequence defined by  tn = 3(-2)n, state t5:  

8: Given the sequence  3, 6, 12, ..., state the value of  t10:  

9: Given the sequence  16 + 32 + 64 + ... , state S6:  

10: Given the sequence  24 - 12 + 6 + ..., state S9:  

Fill in the following information if you would like your mark returned to you.

Your first name:

Your school, town/city, and country:

Your e-mail address:

  

... or return, without sending, to ...
Sequences & Series

Math | Science & Math | Worsley School
Content, Graphics, & Design by Bill Willis 2001
Wunderland Website Design