
Exponential Growth and Decay Problems
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a bacteria population grows by a factor of 1/4 every hour, what is the growth factor for half an hour?
1/4
1/16
1/2
1/8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A bacteria population has a growth factor of 3 each hour. What is the growth factor for half an hour?
3/2
1/3
√3
9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the equation P(y) = 13,250 * 1.025^y, what does 13,250 represent?
Population after one month
Population after one year
Initial population
Growth factor per month
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true?
243^(1/3) = √243
64^(1/3) = 8
15 is a solution to x^2 = 15
Cube of 27 is a solution to x^3 = 27
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the growth factor for a city population that changes from 250,000 to 22,500 in one year?
1.1
0.1
1.01
0.9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A substance has a half-life of 14 years. How much of the substance is left after 28 years?
1/8
1/2
1
1/4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which substance has a larger initial value if Substance A starts at 100 and Substance B starts at 125?
Substance B
Both are equal
Substance A
Cannot be determined
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