Exponential Growth or Decay from an Equation

Exponential Growth or Decay from an Equation

9th Grade

14 Qs

quiz-placeholder

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Exponential Growth or Decay from an Equation

Exponential Growth or Decay from an Equation

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Anthony Clark

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ty's house is worth $100,000 right now. It will lose value at a rate of 2% per year.
Which function models this situation?

f(x) = 100,000(2)x

f(x) = 100,000(1.02)x

f(x) = 100,000(0.98)x

f(x)=100,000(98)x

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write an Exponential Function for the following table
x       y
0       6
1       12
2        24
3        48

y = 6(2)x 

y = 6(1/2)x

y = 48(2)x

y = 48(1/2)x

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A population of 2200 beetles is too large to sustain and decreases in population each month at a rate of 5%. How would you write your decay factor, b?

-5

-.05

.95

.05

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Does the following equation model growth or decay? y = 500(.30)x + 7

Growth by 30%

Growth by 70%

Decay by 30%

Decay by 70%

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Use the function, N = 14,000(.96)t. Where N is the number of employees and t is the number of years.
How many employees will there be after 3 years?

14,000 employees

12,386 employees

40,360 employees

15,748 employees

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the y-intercept of the function?

2

3

1

-2

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Is the following function an example of decay or growth? f(x) = 2(1.25)x

Exponential Growth

Exponential Decay

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