Exponential Decay: Real-World Applications & Graphs

Quiz
•
English, Mathematics
•
10th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A radioactive substance has a half-life of 5 years. If you start with 80 grams, how much will remain after 15 years?
10 grams
20 grams
5 grams
40 grams
Tags
CCSS.HSF.LE.A.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A certain bacteria population doubles every 3 hours. If you start with 500 bacteria, how many will there be after 12 hours?
10000
8000
4000
2000
Tags
CCSS.HSF.LE.A.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car depreciates in value by 20% each year. If the car is worth $20,000 now, what will its value be after 3 years?
$10,240
$12,500
$8,000
$15,000
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A certain medication in the bloodstream decreases by half every 4 hours. If a patient takes 200 mg, how much will be left after 12 hours?
25 mg
100 mg
10 mg
50 mg
Tags
CCSS.HSF.LE.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A tree's height decreases by 10% each year due to disease. If the tree is currently 50 feet tall, what will its height be after 2 years?
45 feet
40.5 feet
35 feet
30 feet
Tags
CCSS.HSF.BF.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A scientist has a sample of a substance that decays exponentially. If the initial amount is 100 grams and it has a half-life of 10 days, how much will remain after 30 days?
50 grams
5 grams
12.5 grams
25 grams
Tags
CCSS.HSF.LE.A.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A certain type of fish population decreases by 25% each year. If there are currently 1,200 fish, how many will be left after 2 years?
800
900
675
500
Tags
CCSS.HSF.BF.A.2
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