1. ©2010, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia
Exponential Bingo!
©2010, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia

2. ~BINGO!~
The winner who says “BINGO” at the appropriate time will get a mystery prize!
Anyone acting poorly will be disqualified.

3. Numbers
Place the following numbers in any empty box. These numbers represent answers to exponential word problems and equations.
-29/6, -3/2,1/6, 13/5, -6, -5, -3, -2, -1, 1, 3, 4,
7, 10, 15.57, 23.86, 39.85, 43.15, 49,
56.37, 56.68, 62.46, 96.28, , FREE

4. 1
Solve.
52x = 59x + 7

5. what would the balance be after 6 years?2
If you invest $50 in a bank account that earns 2% annual interest that is compounded continuously,
what would the balance be after 6 years?

6. 3
Solve.
35x – 2 = 27x

7. 4
Evaluate if x = 2.
73x-4

8. what would the balance be after 4 years?5
If you invest $25 in a bank account that earns 12% annual interest that is compounded semiannually,
what would the balance be after 4 years?

9. 6
Where is the horizontal asymptote for this graph?
- 5

10. 7
Solve.
73x+10 = 1 x 49

11. 8
What is the number of vertically shifted units for this graph? **Use negative for down and positive for up.
y = 1 2
x-4

12. what would the balance be after 3 years?9
If you invest $35 in a bank account that earns 7% annual interest that is compounded monthly,
what would the balance be after 3 years?

13. Where is the horizontal asymptote for this graph?10
Where is the horizontal asymptote for this graph?
y = 7x-2 + 4

14. 11
Solve.

15. what would the balance be after 10 years?12
If you invest $40 in a bank account that earns 3.5% annual interest that is compounded quarterly,
what would the balance be after 10 years?

16. 13
If you purchase a new sofa for $200 four years ago and its value depreciates 7.5% each year, what is the projected value?

17. 14
Solve.

18. 15
If you purchase a new CD player for $20 three years ago and its value depreciates 8% each year, what is the projected value?

19. 16
Solve. 8

20. what would the balance be after 8 years?17
If you invest $55 in a bank account that earns 7% annual interest that is compounded daily,
what would the balance be after 8 years?

21. What is the y-value of the NEW critical point for this function?18
What is the y-value of the NEW critical point for this function?

22. 19
If you purchase a pair of diamond earrings in 2005 for $50, what would be their value after 10 years if the value increases 2.25% each year?

23. 20
Solve.

24. 21
Solve.
8(3x - 6) = 8(9x + 23)

25. 22
What is the number of units for the horizontal shift for this graph? **Use negative for left and positive for right.
y = – 2. 1 2
x+3

26. 23
If you purchase a rare book in 2000 for $15, what would be the value in 2010 if the value increases 4.75% each year?

27. 24
Solve.
930 = 93x

28. ANSWERS -1
56.37 1 49
39.85 -5 -2 7
43.15 4
-3/2
56.68
146.42 -6
15.57
13/5
96.28 3
62.46
1/6
-29/6 -3
23.86 10