Exponential Model Word Problems

Exponential Model Word Problems

9th Grade

13 Qs

quiz-placeholder

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Exponential Model Word Problems

Exponential Model Word Problems

Assessment

Quiz

Mathematics

9th Grade

Hard

CCSS
HSF.LE.A.2, HSF-IF.C.8B, HSF-IF.C.7E

+3

Standards-aligned

Created by

Anthony Clark

FREE Resource

13 questions

Show all answers

1.

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 that models this situation?

y = 8(15,000)x

y = 15,000(1.08)x

y = 15,000(0.92)x

y = 15,000(0.08)x

Tags

CCSS.HSF.LE.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The equation f(x) = 300(1.06)x is being used to calculate the amount of money in a savings account.  What does the 1.06 represent?

6% growth

6% decay

1.06% growth

.06% decay

Tags

CCSS.HSF-IF.C.8B

3.

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=30(5000)x

y=5000(1.3)x

y=5000xx

Tags

CCSS.HSF.LE.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the a-value (or y-intercept) for the function: f(x) = 800(0.85)x?

800

0.85

0.15

x

Tags

CCSS.HSF-IF.C.7E

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Determine if the equation y = 15(1.35)x represents exponential growth or decay and justify. Hint: Think about the growth and decay equations.

Growth, because the scale factor is greater than 1

Growth, because the scale factor is less than 1

Decay, because the scale factor is greater than 1

Decay, because the scale factor is less than 1

Tags

CCSS.HSF-IF.C.8B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The population of Pallet Town increases by 15% every year. If there are currently 190,000 people living there, what will be the population in 13 years?

If necessary, round your answer to the nearest whole number.

4 people.

22,972 people.

1,169,030 people.

1,188,311 people.

Tags

CCSS.HSF-LE.A.1C

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mrs. W is raising bunnies for Easter. She currently has 5 bunnies and expects the number of bunnies to increase 55% each year. What equation below represents this scenario?

f(x) = 5(155)t

f(x) = 5(1.55)t

f(x) = 5(0.155)t

f(x) = 5(15.5)t

Tags

CCSS.HSF.LE.A.2

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