Exponential Function Word Problem
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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10 questions
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1.
MATH RESPONSE QUESTION
1 min • 1 pt
Solve this problem: When the apocalypse began, there were 5 zombies. Each day that number tripled. How many zombies would there be after a week (7 days)?
Mathematical Equivalence
ON
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write an equation for this problem: A population of 1200 bacteria is doubling each day for x days.
Tags
CCSS.HSF.LE.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What would be the multiplier for this problem?
Matt has the chicken pox. On day one, he counted that he had 10 spots. Each day that number quadruples. How many would he have after 3 days?
10
3
4
1/4
1/3
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 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
5.
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(0.35)x
y = 15(1.35)x
y = 35(1.15)x
Tags
CCSS.HSF.LE.A.2
6.
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 exponential equation?
y=8(15,000)x
y=15,000(0.92)x
y=15,000(1.08)x
y=15,000(0.08)x
Tags
CCSS.HSF.LE.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 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=5000(1.3)x
y=30(5000)x
y=5000xx
Tags
CCSS.HSF.LE.A.2
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