Modeling Exponential Growth and Decay Mark

Modeling Exponential Growth and Decay Mark

9th Grade

10 Qs

quiz-placeholder

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Modeling Exponential Growth and Decay Mark

Modeling Exponential Growth and Decay Mark

Assessment

Quiz

Mathematics

9th Grade

Hard

CCSS
HSF-IF.C.8B, HSF.BF.A.2, HSF-LE.A.1C

+2

Standards-aligned

Created by

Anthony Clark

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 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.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The population of Bloom Falls, Mass. (population 937) is slowly moving to a bigger city.
Every year the population drops by 4.5%. What is the population after 3 years?

1,069 people

894 people

816 people

854 people

Tags

CCSS.HSF-LE.A.1C

4.

MULTIPLE CHOICE QUESTION

1 min • 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?

305

1994

1000

43872

Tags

CCSS.HSF-LE.A.1C

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

Tags

CCSS.HSF.LE.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)6

Growth

Decay

Tags

CCSS.HSF-IF.C.8B

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the decay factor? Hint: decay factor is (1-r) where r is the rate as a decimal

.08

1.08

.92

8

Tags

CCSS.HSF-IF.C.8B

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