Exponential Decay

Exponential Decay

8th Grade

23 Qs

quiz-placeholder

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Exponential Decay

Exponential Decay

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Barbara White

FREE Resource

23 questions

Show all answers

1.

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?
.08
1.08
.92
8

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)3
Growth
Decay

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What type of function is y = 7(5/4)x?
Exponential Growth
Exponential Decay
Linear
None of the above

5.

MULTIPLE CHOICE QUESTION

3 mins • 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

3 mins • 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

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

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