
Exponential Growth or Decay Given Equations
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered

AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
11 questions
Show all answers
1.
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%
Tags
CCSS.HSF-IF.C.8B
2.
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine if the graph represents growth or decay. Also determine the y-intercept.
decay, 5
decay, 1
growth, 5
growth, 1
Tags
CCSS.HSF-IF.C.7E
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What values of b make an exponential growth function?
b > 1
0 < b < 1
Answer explanation
A multiplier that is larger than 1 causes y-values to increase (exponential growth).
Tags
CCSS.HSF-IF.C.8B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What values of b make an exponential decay function?
b > 1
0 < b < 1
Answer explanation
A multiplier that is larger than 0 (positive) but less than 1 causes y-values to decrease (exponential decay).
Tags
CCSS.HSF-IF.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Does this graph represent exponential growth or decay?
Growth
Decay
Cannot Be Determined
Answer explanation
The graph is decreasing, so this is exponential decay. The multiplier must be larger than 0, but less than 1
0 < b < 1
Tags
CCSS.HSF-IF.C.7E
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A substance starts with a mass of 310 grams and decays at 8.9% per hour. Write an equation to model the situation.
Answer explanation
The initial mass is 310 grams, so a = 310. Find the mulitplier:
100% - 8.9% = 91.1%
Covert this percent to a rate by dividing by 100.
91.1/100 = 0.911
So, b = 0.911
Tags
CCSS.HSF.LE.A.2
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?