Growth and Decay Problems
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Marburn has 80 total students in our High School. It is projected to grow at rate of 2% every year. How many students will be in the High School in 5 years from now?
72.3 students
88.3 students
199.1 students
80 students
Tags
CCSS.HSF-LE.A.1C
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The population of a town is decreasing at a rate of 5% per year. This year there are 10,000 people in this town, how many people will be left in 20 years from now? (round to the nearest whole number)
26,533 people
358 people
1 person
3,585 people
Tags
CCSS.HSF-LE.A.1C
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does "r" stand for in the exponential growth formula?
final amount
time
original amount
rate of growth
Tags
CCSS.HSF-IF.C.8B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A publishing industry report predicts that magazine subscriptions will drop by 10% each year. If this prediction is correct, then how many subscribers will a magazine with 98,000 subscribers have in 10 years? (Round to the nearest whole number if necessary).
34,170
16,348
7690
76,023
Tags
CCSS.HSF.BF.A.2
5.
DROPDOWN QUESTION
1 min • 1 pt
A used car was purchased for $8,400. The car depreciates at a rate of 5% each month. The starting value is (a) and there is 5% (b) which means the scale factor is (c) .
$8,400
decay
0.95
growth
0.05
Tags
CCSS.HSF-LE.A.1C
6.
DRAG AND DROP QUESTION
1 min • 1 pt
The table has an initial value of (a) and demonstrates exponential (b) at a factor of (c) .
2
growth
5
-1
decay
Tags
CCSS.HSF-LE.A.1A
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Determine if the function is increasing or decreasing. Then, tell the rate by which the function is increasing or decreasing by. Select all that apply.
Increasing
Decreasing
Tags
CCSS.HSF-IF.C.8B
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