1. 1.) Find the eleventh term of the sequence 3, -6, 12, -24, …
1024 A
3072 B
b. Correct answer c 33 D
-6144

2. 2.) Pick the best choice to describe the type of sequence listed below: 5, -10, 20, 40, …
Arithmetic sequence A
Geometric sequence B
d. correct
Both C
Neither D

3. 3.) Choose the correct equation used for finding the 7th term in the following geometric sequence: , -24, -96, … A B a C D

4. 4.) Find the eighth term of the geometric sequence given the following:
-15625 A
15625 B D
-78125 C
78125 D

5. Option 1: Get paid $30 each week
5.) Danielle’s parents have offered her two different options to earn her allowance for a 9-week period over the summer.
Option 1: Get paid $30 each week
Option 2: Get paid $1 for the first week, $2 for the second week, $4 for the third week, and so on.
What is the difference between the payments on week 10 of option 1 and option 2?
10*30 – week 9
Correct
Only took wk 10 opt 2
accumulative
$44
$482
$512
$723 A B C D

6. Y-intercept = 6 Domain = all real numbers Range = all real numbers
6.) Choose the best description for the y-intercept, domain, and range for the following function
Y-intercept = 0 Domain = all real numbers Range = all real numbers > 1 A B
Y-intercept = 6 Domain = all real numbers Range = all real numbers > 1
Wrong int
Correct
Wrong range
guessed C
Y-intercept = 6 Domain = all real numbers Range = all real numbers
None of the above D

7. 7.) Find the equation for the exponential function graphed below.
Graph similar
Correct
guessed C
None of the above D

8. 8.) The population of bacteria in a petri dish increases according to the model
Where t is the number of hours and t = 0 corresponds to 11:00 a.m. Use this model to estimate the number to estimate the number of bacteria in the dish at 4:00 p.m.
555
Exp = (not mult)
562 – guessed
4 hours, not 5
correct A
562 B
568 C
572 D

9. 9. ) The deer population at a national park triples every year
9.) The deer population at a national park triples every year. In 1999, there were 20 deer in the park. The function
models the number of deer N in the national park t years after What will the deer population be in 2012?
780
20*3*13
To the 12th power
guessed
correct A
10,628,820 B
30,000,000 C D
31,886,460

10. 10.) Choose whether the data in the table is linear, quadratic, or exponential.-4 4 8 12 Y 2
-16 32
Linear A
guessed
correct
Quadratic B
Exponential C D
None of the above

11. 11.) There are 64 teams at the beginning of the Baltimore City Soccer Championship. If half the teams are eliminated after each round, which of the functions below represents the number of teams in the after x rounds? B C A D A. B. C.
D. CORRECT

12. 12.) Scientists studied the population of a species of bat in some caves in Mexico from 1990 to In 1990, there were 29,985 bats living in the caves. That number increased by about 7% annually until What is the growth rate of this bat population?
0.07 A a. b.
c. CORRECT d.
0.7 B
1.07 C 7 D

13. 13.) The population of a large herd of 6,000 buffalo increases at a rate of 20% each year. In how many years will the population be nearly triple its present size? A 4 5 B 6 C 7 D

14. 14. ) Winston invested $5500 at an interest rate of 0
14.) Winston invested $5500 at an interest rate of 0.5% compounded monthly. Determine the approximate value of her investment in 15 years. $ A $ B
5000*(15*0.005)
No monthly
correct
Bad percent conv $ C $ D

15. 15. ) Paige invested $1500 at an interest rate of 3
15.) Paige invested $1500 at an interest rate of 3.75% compounded quarterly. Determine the approximate value of her investment in 8 years. $ A $ B
No quarterly
Correct
Bad % conv
Didn’t divide by 4 $ C $ D

16. SPR 1 What is the next term of the geometric sequence 112, 84, 63, …

17. SPR 2 The number of graduates at a high school has increased by a factor of every year since In, 2001, 110 students graduate. The function
198 students
models N, the number of students expected to graduate t years after About how many students will graduate in 2012?

18. SPR 3 If I have $500 in my account AFTER 4 years investing at 2
SPR 3 If I have $500 in my account AFTER 4 years investing at 2.5% per year, what is the ORIGINAL VALUE of money in my savings account?

19. SPR 4 You purchase a cell phone for $129
SPR 4 You purchase a cell phone for $129. The value of a cell phone decreases by about 18% annually. How much would your cell phone be worth after 3 years?