Exponential Growth and Decay

Exponential Growth and Decay

8th Grade

10 Qs

quiz-placeholder

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Exponential Growth and Decay

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10 Qs

Exponential Growth and Decay

Exponential Growth and Decay

Assessment

Quiz

Mathematics

8th Grade

Medium

CCSS
HSF.LE.A.2, 7.RP.A.3, HSF-IF.C.8B

+2

Standards-aligned

Created by

Math Genius

Used 177+ times

FREE Resource

10 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

Tags

CCSS.HSF-LE.A.1C

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?
y = 15(35)x
y = 15(1.35)x
y = 15(0.35)x
y = 35(1.15)x

Tags

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

Tags

CCSS.HSF-IF.C.8B

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

Tags

CCSS.HSF-IF.C.8B

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

James' 70 in. giant peach doubles in size every week. Write an expression that would represent how big the peach is after 5 weeks.
70(2)35
70(2)5
2(70)5
5(70)2

Tags

CCSS.6.EE.A.1

6.

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

Tags

CCSS.HSF.LE.A.2

7.

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

Tags

CCSS.HSF.LE.A.2

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