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Exponential Growth & Decay: Calculate Rates & Graphs

Authored by Anthony Clark

English, Mathematics

10th Grade

CCSS covered

Exponential Growth & Decay: Calculate Rates & Graphs
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A population of bacteria doubles every 3 hours. If there are initially 500 bacteria, how many will there be after 12 hours? Calculate the growth rate.

4000

10000

8000

6000

Tags

CCSS.HSF.LE.A.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A car's value decreases by 15% each year. If the car is currently worth $20,000, what will its value be after 3 years? Calculate the decay rate.

$12,282.50

$15,000

$8,500

$10,000

Tags

CCSS.HSF-LE.A.1C

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A radioactive substance has a half-life of 5 years. If you start with 80 grams, how much will remain after 15 years? Graph the decay function over time.

40 grams

20 grams

5 grams

10 grams

Tags

CCSS.HSF.LE.A.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number of users on a social media platform increases by 25% each month. If there are currently 1,200 users, how many users will there be after 6 months?

3663

3000

1500

2400

Tags

CCSS.HSF-LE.A.1C

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A tree's height increases exponentially. If it is currently 2 meters tall and grows at a rate of 10% per year, what will its height be after 5 years?

2.5 meters

4.0 meters

5.0 meters

3.22 meters

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A certain species of fish decreases in population by 20% each year. If the initial population is 1,000, what will the population be after 4 years?

300

409

500

800

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A bank account earns 5% interest compounded annually. If you deposit $1,000, how much will you have in the account after 10 years? Calculate the growth and graph the function.

Approximately $1,628.89

$1,200.00

$2,000.00

$1,500.50

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