Exponential Summative Review

Exponential Summative Review

9th Grade

59 Qs

quiz-placeholder

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Exponential Summative Review

Exponential Summative Review

Assessment

Quiz

Mathematics

9th Grade

Hard

CCSS
HSF.LE.A.2, HSF-IF.C.7E, HSF.LE.A.1

+21

Standards-aligned

Created by

Kali Bennett

Used 7+ times

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59 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Does the graph represent an exponential growth or an exponential decay function?

Exponential Growth
Exponential Decay

Tags

CCSS.HSF-IF.C.7E

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following is an increasing exponential function whose y-intercept is 50?

y = 50(.05)x
y = 50x - 4
y = (2)x + 50
y = 50(1.4)x

Tags

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The amount of ants in a colony, f, that is decaying can be modeled by                      f(x) = 800(.87)x, where x is the number of days since the decay started. By what percentage is the colony decaying?

87%
13%
800%
8.7%

Tags

CCSS.HSF-IF.C.8B

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The amount of ants in a colony, f, that is decaying can be modeled by                         f(x) = 800(.87)x, where x is the number of days since the decay started. Suppose           f(20) = 49. Which of the following is true?

After 20 days, there are 49 ants in the colony.
After 49 days there are 20 ants in the colony.
The amount of ants times 20 is 49.
After 20 days the amount of ants remaining decreases by 49.

Tags

CCSS.HSF-IF.C.8B

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The expression 12(1.015)t models the population of elephants in a wildlife refuge after t years since 1975.
What does the value 12 represent?

The predicted increase in number of elephants in the refuge each year.
The predicted decrease in number of elephants in the refuge each year.
The number of years it will take for the elephant population to stop increasing.
The initial amount of elephants in the park.

Tags

CCSS.HSF.LE.B.5

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The amount of ibuprofen (medicine for headaches) breaks down by 30% each hour. If a person took a 200 milligram ibuprofen, how much will be left after 3 hours?

5.4 mg
68.6 mg
.0054 mg
2,400,000 mg

Tags

CCSS.HSF.LE.A.4

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Is the graph exponential growth or decay?

Exponential growth
Exponential decay

Tags

CCSS.HSF-IF.C.7E

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