
Exponential Growth and Decay Formulas
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which formula would you use for the following problem? If $1,000 is invested at 16% interest, compounded continuously, for five years, what is the ending balance?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the formula to represent exponential growth or decay, where 'a' is the amount after time 't', 'r' is the rate of increase or decrease, and 't' is time?
f(t) = a * r * t
f(t) = a * r / t
f(t) = a * r^t
f(t) = a * (1 + r)^t
Tags
CCSS.HSF-IF.C.8B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the original value of an investment is $1,800 and it increases by 7% each year, what is the exponential function to model this situation?
a = 1800 * (1 + 0.07)^t
a = 1800 * (1 - 0.07)^t
a = 1800 * (0.07)^t
a = 1800 / (1 + 0.07)^t
Tags
CCSS.HSF.LE.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do exponential growth and decay formulas differ?
The initial amount differs.
The rate differs.
The time differs.
The distance differs.
Tags
CCSS.HSF-IF.C.8B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What occurs when a quantity exponentially increases over time?
Exponential Decay
Exponential Growth
Linear Growth
Linear Decay
Tags
CCSS.HSF-IF.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In 2002, Oakview High School had 972 students enrolled. If the number of students increased by 1.5% each year, what would be the exponential model of the number of students enrolled in 2014?
972 * (1 + 0.015)^12
972 * (1 - 0.015)^12
972 * (1 + 0.015)^2
972 / (1 + 0.015)^12
Tags
CCSS.HSF.LE.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What occurs when a quantity exponentially decreases over time?
Exponential Growth
Linear Decay
Exponential Decay
Linear Growth
Tags
CCSS.HSF-LE.A.1A
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