Geometric Sequences and Exponential Growth and Decay
Authored by Barbara White
Mathematics
11th Grade - University
CCSS covered
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6 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following graphs could be modelled using a geometric sequence?
A
B
C
D
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The fourth, fifth and sixth terms of a geometric sequence are 7.5, 3.75 and 1.875 respectively. The sum of the first and second terms in the geometric sequence is:
15
30
45
90
Tags
CCSS.HSF.BF.A.2
3.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
A scientist observed that the population of a specific bird species is decreasing by 17% each year and that at the beginning of 2016, there were 483 birds. Predict the number of birds remaining at the beginning
of 2021.
Tags
CCSS.HSF.BF.A.2
4.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Use the recursive rule 𝑡n+1 = 0.65𝑡n, t1 = 120 to complete the following.
Calculate the percentage by which each term decreases
Tags
CCSS.HSF.BF.A.2
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Use the recursive rule 𝑡n+1 = 0.65𝑡n, t1 = 120 to complete the following.
Calculate the fourth term rounded to the nearest whole number.
Tags
CCSS.HSF.BF.A.2
6.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
P2 BONUS QUESTION: t3 = 90, t5 = 57.6. What is the first term (round answer to nearest whole number)?
Tags
CCSS.HSF.BF.A.2
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