Mastering Exponential Models and Equations in Real Life

Quiz
•
English, Mathematics
•
8th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A bacteria culture doubles in size every 3 hours. If the initial population is 500, how many bacteria will there be after 12 hours?
2000
8000
10000
4000
Tags
CCSS.HSF.LE.A.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car's value decreases by 20% each year. If the car is currently worth $15,000, what will its value be after 3 years?
$12,000
$5,000
$10,000
$7,680
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A bank offers an account that compounds interest annually at a rate of 5%. If you deposit $1,000, how much will you have in the account after 5 years?
1150.00
1276.28
1500.00
1000.00
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A certain tree species grows at a rate of 1.5 times its height every year. If a tree is 2 feet tall now, how tall will it be after 4 years?
12 feet
6 feet
8 feet
10.125 feet
Tags
CCSS.HSF.BF.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A population of fish in a lake is modeled by the equation P(t) = 200e^(0.3t), where P is the population and t is the time in years. What will the population be after 5 years?
1200
500
750
896
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A smartphone's battery life decreases exponentially. If it lasts 24 hours when fully charged, how long will it last after 2 days of regular use, assuming it loses 10% of its life each day?
15 hours
19.44 hours
22 hours
20 hours
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A viral video is viewed by 1,000 people on the first day and the views double each day. How many views will it have on the 7th day?
256000
64000
128000
32000
Tags
CCSS.HSF.BF.A.2
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