Exponential Growth and Decay Quiz
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Lorraine Floyd
Used 8+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for exponential growth?
y = a * (1 + r)/t
y = a * (1 - r)/t
y = a * (1 - r)^t
y = a * (1 + r)^t
Tags
CCSS.HSF-LE.A.1A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a population doubles every 5 years, what is the growth factor?
2
3
10
5
Tags
CCSS.HSF-LE.A.1A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Write the exponential growth equation if a population of 100 is growing by 5% every year.
y = 100 * (1.1)^x
y = 100 * (0.95)^x
y = 100 * (1.5)^x
y = 100 * (1.05)^x
Tags
CCSS.HSF.LE.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for exponential decay?
y = a * (1 + r)^t
y = a * (1 - r)^t
y = a * (1 - r)/t
y = a * (1 + r)/t
Tags
CCSS.HSF-LE.A.1A
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a radioactive substance decays to 1/4 of its original amount every 10 years, what is the decay factor?
1/4
1/2
2
1/3
Tags
CCSS.HSF-LE.A.1C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine the decay factor for an exponential decay equation with a decay rate of 15% per year.
1.15
0.15
0.75
0.85
Tags
CCSS.HSF-IF.C.8B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A town has 200 residents. Every year 20% of the residents move away. Write the exponential function to represent this situation.
y = 200 * (0.6)^x
y = 200 * (0.5)^x
y = 200 * (0.8)^x
y = 200 * (0.9)^x
Tags
CCSS.HSF.LE.A.2
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