Download Exponential Equation - Duplin County Schools

Exponential
Equation
(Jeopardy)
Exponential
Growth
Compound
Interest
Exponential
Decay
Distance/
Midpoint
Exponents
$100
$100
$100
$100
$100
$200
$200
$200
$200
$200
$300
$300
$300
$300
$300
$400
$400
$400
$400
$400
$500
$500
$500
$500
$500
Find a bank account balance after 12 years
if the account starts with $150, has an annul
rate of 7%.
$100
$337.83
If the starting population of 5
rabbits grows at 200% each year,
how many will there be after 20 years?
$200
17,433,922,010 rabbits
Or
1.74 x10^10
The population of Henderson City was
3,381,000 in 1994, and is growing at an
annual rate of 1.8%. If this growth
continues, what will the population of
Henderson City be in the year 2000.
$300
3,762,979 people
A quantity of bacteria is places in a Petri
Dish at 8:00 am. The bacteria doubles
Once every 10 min. At 9:00am the dish is
Full. At what time did the bacteria fill half
Of the dish?
$400
8:50 am
A watch purchased for $1,200 is expected
To gain value at a rate of 5% per year.
After how many years will the watch be
Worth $1,800?
$500
8.31 years
You invest $5,000 in an account at 1.6%
interest compounded annually.
How much money would you have after 15 years?
$100
$6,344.18
You invest $5,000 in an account at 1.6%
interest compounded quarterly.
How much money would you have after 15 years?
$200
$6353.20
You invest $345.21 in an account at 9%
interest compounded weekly.
How much money would you have after 9 years?
$300
$775.46
You invest $900 in an account at 6.5%
interest compounded semiannually.
How much money would you have after 25 years?
$400
$4,453.95
A teenager saved a small amount throughout
The school year and now has $712. He can
Choose from two different bank offers.
The first is 5.3% compounded monthly,
The second is compounded quarterly at 6%
What account will yield the most money
After 6 years? What is the difference in price?
$500
The first account.
Difference: $39.94
The value of a car is $258 and
Decreases at a rate of 8% per year. Find
Value of the book after 11 years.
$100
$103.11
The value of a car is $25,800 and
Decreases at a rate of 15% per year. Find
Value of the car after 7 years.
$200
$8,270.89
An adult takes 800mg of ibuprofen. Each
Hour, the amount decreases by
about 29%. How much ibuprofen is left
After 4 hours?
$300
203.29 mg
You drink coffee with 95mg of caffeine.
Each hour, the caffeine in your system
Decreases by 12%. How long until you
10mg of caffeine.
$400
17.61 hours.
A car was purchased for $20,000. The car
Depreciates by 22% each year. How long
Will it take for the car to be worth $100?
(you have to change your window)
$500
21.32 years
Or
21 years, 3 months, 25 days…
Find the distance between the
Following two points.
(2,15) and (5, 15)
$100
3
Find the Midpoint
A is at (−7,−7)
B is at (−5,6).
$200
(-6, -0.5)
Find the distance between the
Following two points.
(5,9) and (20,1)
$300
17
Find the distance between the
Following two points.
(5.7,9.2) and (9.1,15.9)
$400
7.51
Find Point B
A is at (-7,-4) and point M is at (5,1).
M is the midpoint of point A and point B
$500
(17,6)
$100
$200
$300
$400
$500