
Algebra 2: Exponential Growth in Bacteria
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial number of bacteria in the culture?
200
100
50
400
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How often does the number of bacteria double?
Every 20 hours
Every 40 hours
Every 10 hours
Every 30 hours
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pattern of bacteria growth after 60 hours?
100, 300, 600
100, 200, 400
100, 400, 800
100, 200, 300
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the formula y = a * r^x, what does 'a' represent?
The initial value
The final value
The growth rate
The time period
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the common ratio 'r' in the bacteria growth equation?
4
3
2
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the time 't' represented in the exponential equation for this problem?
t
t/10
t/20
t/30
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equation for the number of bacteria after 't' hours?
b(t) = 100 * 2^(t/20)
b(t) = 100 * 2^(t/40)
b(t) = 100 * 2^(t/10)
b(t) = 100 * 2^(t/30)
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