Interpreting and Solving Exponential Growth and Decay Word Problems

Interpreting and Solving Exponential Growth and Decay Word Problems

9th Grade

10 Qs

quiz-placeholder

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Interpreting and Solving Exponential Growth and Decay Word Problems

Interpreting and Solving Exponential Growth and Decay Word Problems

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Anthony Clark

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Initial amount

Rate of growth or decay

Time

End amount

2.

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).

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.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

9766

9006

9765

5433

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

y=6(0.14)x

y=6(1+14)x

y=6(1.14)x

y=6(0.86)x

6.

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

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?

14327

4309

839

7680

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