Unit 9 Review: Exponential Functions

Unit 9 Review: Exponential Functions

9th Grade

15 Qs

quiz-placeholder

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Unit 9 Review: Exponential Functions

Unit 9 Review: Exponential Functions

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Easy

CCSS
HSF.LE.A.2, HSF-IF.C.7E, HSF.LE.B.5

+2

Standards-aligned

Created by

Rachel Silva

Used 5+ times

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15 questions

Show all answers

1.

MATH RESPONSE QUESTION

5 mins • 6 pts

The average attendance at a local high school this year was 950 students.

Each year, the attendance decreases at a rate of 0.5% per year.

What is the function models the average attendance of the local high school over x years?

[Write you answer in the form: a(b)x , where a and b are real numbers.]

Mathematical Equivalence

ON

Tags

CCSS.HSF.LE.A.2

2.

MATH RESPONSE QUESTION

2 mins • 6 pts

The population of bacteria in a Petri dish is increasing exponentially.

At noon, there were 32,600 bacteria in the dish.

An hour later, there were 34,556 bacteria.

Write a function in the form a(b)x to model this situation.

Mathematical Equivalence

ON

Tags

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 6 pts

The equation f(t) = 6000(0.9975)t models the value of a car over time, t.

In the equation, what does the 6000 represent?

The number of years the car has been owned

The current value of the car

The original price of the car

The annual percent decrease in value of the car

Tags

CCSS.HSF.LE.B.5

4.

DROPDOWN QUESTION

3 mins • 6 pts

Media Image

We know if we see a table, M-4-1-3 is for linear functions, M-4-1-6 is for quadratic functions, but what was exponential in the spreadsheets?


(a)  

B
A
C
D

Tags

CCSS.HSF.LE.A.2

5.

DRAG AND DROP QUESTION

3 mins • 6 pts

Media Image

We focus on which axis when talking about domain?


(a)  

A
B
C
D

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

6.

MULTIPLE CHOICE QUESTION

3 mins • 7 pts

Media Image

The exponential function is y=abx what does a represent and what does b represent? Is the function growing or decaying?

A

B

C

D

Tags

CCSS.HSF.LE.A.2

7.

MULTIPLE CHOICE QUESTION

5 mins • 7 pts

Media Image

In an exponential function, what does the 'a' represent? 

SLOPE
RATE OF CHANGE
Y-INTERCEPT
COMMON RATIO

Tags

CCSS.HSF.LE.B.5

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