Exponential Decay
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Anthony Clark
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)6
Growth
Decay
Tags
CCSS.HSF-IF.C.8B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the explicit formula for the geometric sequence: 100, 50, 25, 12.5, ...
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.
y=5000(0.7)x
y=30(5000)x
y=5000(1.3)x
y=5000xx
Tags
CCSS.HSF.LE.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is y = 54(.20)x growth or decay?
Growth
Decay
Tags
CCSS.HSF-IF.C.8B
5.
LABELLING QUESTION
1 min • 2 pts
At a certain point in time, a fossil has 3 picograms of carbon-14. Complete the table with the missing mass of carbon-14 and years
1.5
2.38
11,460
Tags
CCSS.HSF.LE.A.4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the decay rate in the following model?
1200
.15
.85
6
Tags
CCSS.HSF-LE.A.1C
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)6
Growth
Decay
Tags
CCSS.HSF-IF.C.8B
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