
Exponential Decay
Presentation
•
Mathematics
•
9th - 12th Grade
•
Hard
James Gonzalez
FREE Resource
2 Slides • 16 Questions
1
Exponential Growth & Decay
2
Don't forget to change your percent to a decimal by DIVIDING BY 100!
3
Labeling
Label the parts of the Exponential Growth Formula.
Final Amount
Initial Amount
Growth Rate
Time
4
Multiple Choice
Which graph represents exponential decay?
5
Multiple Choice
7.25%
6
Multiple Choice
7
Poll
Would you rather ...
... be able to fly?
... be invisible?
8
Multiple Select
Which of the following words show decay? SELECT ALL THAT APPLY.
Increase
Decrease
Grows
Decays
Depreciates
9
Multiple Choice
10
Multiple Choice
11
Multiple Choice
Gasoline costs $1.99 per gallon. If the price per gallon increases an average of 6% per month, which function models the exponential growth of the pricing?
1.06(1.99)t
1.99(1.06)t
[1.06(1.99)]t
1.99(.94)t
12
Multiple Choice
Hank Aaron owns a rare baseball card. He bought the card for $9.50 in 1987 and its value increases by 7% each year. Write and use an exponential growth or decay function to find the baseball card's value in 2021.
9.99
94.79
947.92
17.44
13
Multiple Choice
Ms. Barnes started working at her second job earning $10.14 per hour. Every 6 months, she gets a 2.75% raise. If Ms. Barnes has worked at her second job for 12 years, what is her hourly rate?
$19.44
$1.38
$1.92
$194.45
14
Multiple Choice
Matt bought a new Porsche 911 Cabriolet for $183,600 in 2021. Every year, the value of the car depreciates by 6.94%. Write and use an exponential growth or decay function to find the value of his car at the end of his 60-month loan.
$1,281,409,436
$128,141
$256,787
$2,453
15
Word Cloud
Type ONE WORD that describes you.
16
Drag and Drop
17
Multiple Choice
Which of the following exponential functions represents an initial value of 1450 and a decay of 18% for x years?
y=1450(0.18)x
y=1450(1.18)x
y = 1450 −(0.18)x
y=1450(0.82)x
18
Multiple Select
Select all the equations that represent exponential decay.
y=21(4)x
y=4(21)x
y=80(1.4)x
y=60(0.7)x
y=3(0.6)x
Exponential Growth & Decay
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