Exponential Decay Problems

Exponential Decay Problems

9th Grade

20 Qs

quiz-placeholder

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Exponential Decay Problems

Exponential Decay Problems

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSF-LE.A.1C, HSF-IF.C.7E, HSF.LE.A.2

+4

Standards-aligned

Created by

Anthony Clark

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20 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The population of a town is 2500 and is decreasing at a rate of 3.5% per year. Use an exponential function to find the population of the town after 5 years.


Round to the nearest whole number (you can't have a fraction of a person).

Tags

CCSS.HSF-LE.A.1C

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Kathy plans to purchase a car that depreciates at a rate of 12% per year. The initial value of the car is $21,000. Use an exponential function to find the value of the car after 3 years.


Round your answer to 2 decimal places.

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

A population of fish starts at 8,000 and decreases by 6% per year. Use an exponential function to find the population of fish in 10 years.


Round to the nearest whole number.

Tags

CCSS.HSF-LE.A.1C

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Initial amount

Rate of growth or decay

Time

End amount

Tags

CCSS.HSF-IF.C.8B

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which represents exponential decay?

A

B

C

D

Tags

CCSS.HSF-IF.C.7E

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The population of Townville is decreasing at a rate of 6% each year. If the starting population was 7,000 what equation represents the current population after x number of years?

Tags

CCSS.HSF.LE.A.2

7.

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

a
b
c

2.38

1.5

11,460

Tags

CCSS.HSF.LE.A.4

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