Exponential Growth and Decay Mastery Check
Authored by Robert Mierow
Mathematics
9th - 12th Grade
CCSS covered
Used 22+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the equation to use for the given problem
A luxury yacht loses 12.5%of its value each year. What is the value of a $150,000 yacht after 6 years?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the equation to use for the given problem
What is the half life of an isotope whose sample began with 195 grams and after 10 days has been reduced to 183 grams?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the equation to use for the given problem
A invasive species of aquatic algae has been tracked in Texas lakes. 5 years ago a study found there it be 243 parts per unit with a current study showing there to be 371 parts per unit. What is the growth rate of this specific species of algae?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the equation to use for the given problem
A high-yield savings account has an interest rate of 4.35% compounded continuously. If the account had an initial deposit of $8,000, how long until the account has $12,500?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the equation to use for the given problem
A strain of E. coli doubles every 17 minutes. After 3 hours the sample contains 24,890 E. coli cells. How many cells were in the initial sample?
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Angel put $15,000 into a high yield savings account with an annual interest rate of 4.35%. At the end of the term the account balance is $20,208.70. How long was the money saved?
Round your answer to the nearest year
(a)
Tags
CCSS.HSF.LE.A.4
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A lamborghini loses 15.75% of its value each year. What is the value of a $250,000 car after 4 years?
(a)
Tags
CCSS.HSF.BF.A.2
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