1. Jeopardy
Hosted by
El Nino

2. VOCAB
ARITHMETIC
SEQUENCES
GEOMETRIC
SEQUENCES
WORD
PROBLEMS
100
100
100
100
200
200
200
200
300
300
300
300
400
400
400
400
500
500
500
500

3. What does the d stand for?
Difference
an = a1 + (n – 1)d
What does the d stand for?
Row 1, Col 1

4. What is the common difference?-8
−15, −23, −31, −39, ...
What is the common difference?
1,2

5. Geometric sequences are limited to 100 terms maximum.
FALSE
TRUE or FALSE
Geometric sequences are
limited to 100 terms maximum.
1,3

6. After knee surgery, your trainer tells you to 9
After knee surgery, your trainer tells you to
return to your jogging program slowly. 
He suggests jogging for 12 minutes each day
for the first week. 
Each week thereafter, he suggests that you
increase that time by 6 minutes per day. 
How many weeks will it be before
you are up to jogging 60 minutes per day?
1,4

7. What does the z represent?
zero term of a sequence
Given the formula
T = dn + z
What does the z represent?
2,1

8. Find the next three terms for
-60, -91, -122
Find the next three terms for
64, 33, 2, -29, ………….

9. Find the next three terms.
24, 8, 8/3
1944 ,648, 216, 72…….
Find the next three terms.
2,3

10. A culture of bacteria doubles every hour. If there are 500 bacteria at
2,048,000
A culture of bacteria doubles every
hour.  If there are 500 bacteria at
the beginning, how many bacteria
will there be after 12 hours?
Note 500 is not the first term of
the sequence(it is at zero hours)
2,4

11. What does the n stand for in the
number of the sequence
What does the n stand for in the
formula below?
3,1

12. Write a formula for the sequence
T = 6n – 10
−4, 2, 8, 14, ...
Write a formula for the sequence
To find any given term.
3,2

13. 225, 45, 9, 1.8, . . What number term in the geometric sequence
Never will be 0
225, 45, 9, 1.8, . .
What number term in the
geometric sequence
will be 0?
225 is 1st term, 45 is 2nd term, etc.
3,3

14. 3,4 62 Allen is on the football team this year but he has poor time
management skills. His mother told him that he is off the
team if he fails anything in school.
On his first math quiz he earned a 90, then he earned an 86 and an 82
on his next two quizzes. If his grades continue at this rate,
what will his quiz grade be after the 8th quiz?
3,4

15. What is another word that
Exponential
What is another word that
could best describe a
geometric sequence?
4,1

16. Find the 37th term of this sequence.
684
−36, −16, 4, 24, ...
Find the 37th term of this sequence.
4,2

17. Write a geometric formula for the above sequence to find
An = 2 • 4n – 1
2, 8, 32, 128, .
Write a geometric formula
for the above sequence to find
any term.
4,3

18. 4,4 Sam has purchased a $30,000 car for his business.
19,683
Sam has purchased a $30,000 car for his business.
The car depreciates 10% every year.
Depreciation means the value of the car goes
down by that percent each year.
What will be the value of the car after the 4th year?
Note: The car is 0 years old when purchased.
4,4

19. stands for given the following formula about geometric sequences?
Sum
What do you THINK the S
stands for given the following
formula about geometric sequences?
5,1

20. If the above sequence has exactly 10 terms in it, what is the sum of
355
−5, 4, 13, 22, ...
If the above sequence has exactly
10 terms in it, what is the sum of
the sequence?
5,2

21. Determine a8 given the geometric
-80, 20, -5, 1.25, . . .
Determine a8 given the geometric
sequence above.
5,3

22. How many terms are in the geometric sequence having a 11
How many terms are in the
geometric sequence having a
first term 2, a last term 2048,
and a common ratio −2?
5,4

23. FINAL JEOPARDY 1st Correct = 1000 2nd Correct = 750
3rd Correct = th Correct – 250
Your answer MUST BE A MIXED NUMBER.
Find the 50th term for the following:
-7⅓, -5⅔, - 4…………….
Answer is 74⅓.

24. FINAL JEOPARDY 1st Correct = 1000 2nd Correct = 750
3rd Correct = th Correct – 250
How many total terms are in the sequence below?
5, 7, 9, ……..99, 101
Answer is 49.