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Growth/Decay/Compound Interest Review

Mathematics

8th - 9th Grade

15 Questions

CCSS covered

Used 2+ times

Growth/Decay/Compound Interest Review
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1.

MULTIPLE CHOICE QUESTION

5 mins • 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

Tags

CCSS.7.RP.A.3

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?

$23,219.72
$136.72
$51,710.94
$16,710.94

Tags

CCSS.7.RP.A.3

3.

MULTIPLE CHOICE QUESTION

2 mins • 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

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Twenty years ago, Mr. Davis purchased his home for $160,000. Since then, the value of the home has increased about 5% per year. How much is the home worth today?

$176,783.29
$424,527.63
$57,357.75
$532,041,076.80

Tags

CCSS.HSA.CED.A.1

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The attendance at the art museum at the New Year’s opening was 250 people. The attendance has been increasing at a rate of 3% each month. How many people will attend by the end of a year?

356
265
5825
1329

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

In 1985, there were 285 cell phone subscribers in the small town of Centerville. The number of subscribers increased by 75% per year after 1985. How many cell phone subscribers were in Centerville in 1994?

OVERFLOW
1994
1000
43871

Tags

CCSS.HSF-LE.A.1C

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You buy a new computer for $2100. The computer decreases by 50% annually. How much is it worth after 2 years.

225
325
425
525

Tags

CCSS.HSF.BF.A.2

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